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Patents used by Hargrave

This data was collected and provided by John Crammond, and used with thanks.

Design 51,641 for Tool Handle

Patent Number D 51, 641
Date Applied For unk
Date Issued 1918 01 01
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


1,116,210 for Work Holding Jaw

Patent Number 1,116,210
Date Applied For unk
Date Issued 1915 11 23
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


1,201,461 for Work Holding Clamp

Patent Number 1,201,461
Date Applied For unk
Date Issued 1916 10 17
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


1,456,692 for Ratchet Hand Tool

Patent Number 1,456,692
Date Applied For unk
Date Issued 1923 05 29
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


1,580,197 for Portable Saw Vise

Patent Number 1,580,197
Date Applied For unk
Date Issued 1926 04 13
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


1,638,848 for Clamp

Patent Number 1,638,848
Date Applied For unk
Date Issued 1927 08 16
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


1,639,561 for Clamp

Patent Number 1,639,561
Date Applied For unk
Date Issued 1927 08 16
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


1,708,617 for Clamp Jaw

Patent Number 1,708,617
Date Applied For unk
Date Issued 1929 04 09
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


1,881,535 for Drill

Patent Number 1,881,535
Date Applied For unk
Date Issued 1932 10 11
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


1,918,469 for Clamp and method of manufacturing

Patent Number 1,918,469
Date Applied For unk
Date Issued 1933 07 18
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


1,930,343 for Clamp Tightening Machine

Patent Number 1,930,343
Date Applied For unk
Date Issued 1933 10 10
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


2,016,088 for Screw (for clamp)

Patent Number 2,016,088
Date Applied For unk
Date Issued 1935 10 01
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


2,245,089 for Welder's Clamp

Patent Number 2,245,089
Date Applied For unk
Date Issued 1941 06 10
Issued to Hargrave
Location Cinncinati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


2,519,652 for Clamping Device

Patent Number 2,519,652
Date Applied For unk
Date Issued 1950 08 22
Issued to Hargrave
Location Cincinnati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


2,667,678 for Hand Clamp

Patent Number 2,667,678
Date Applied For unk
Date Issued 1954 02 02
Issued to Hargrave
Location Cincinnati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


2,673,714 for Rock or Masonry Drill

Patent Number 2,673,714
Date Applied For unk
Date Issued 1954 03 30
Issued to Hargrave
Location Cincinnati OH
Current Class/ subclass T B D

Illustration of Patent

Image missing

T B D

Coming Someday

Specification of Patent

Extracting from the patent:

Coming Someday


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