US Patent: 609,146
|
Wrench
|
Patentee:
|
|
Hubert C. Hart (exact or similar names) - Unionville, CT |
|
Patent Dates:
|
Applied: |
Dec. 22, 1897 |
Granted: |
Aug. 16, 1898 |
Patent Pictures:
[
1 | 2
]
|
|
Hubert C. Hart patent August 16, 1898 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
Adjustable jaw formed from a symmetrical stamping, including extended "pegs" that form the shaft for the adjusting nut. Corresponding German "Gebrauchsmuster" registration D.R.G.M. Nr. DG-96717 dated May 25, 1898.
Known example marked AETNA PAT. AUG. 16, 98.
According to Ken Cope's "American Wrench Makers 1830-1930," Upson and Hart of Unionville, CT produced this wrench. |
|