US Patent: 796,371
|
Wrench
|
Patentees:
|
Robert Fredrick Thomson (exact or similar names) - Toronto, Ontario Canada |
George Despond (exact or similar names) - Toronto, Ontario Canada |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
May 23, 1904 |
Granted: |
Aug. 01, 1905 |
Patent Pictures:
|
|
Robert F. Thomson and George Despond patent August 1, 1905 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
Sliding jaw with a ratchet pawl provides size adjustment for a box end wrench. The opposite side of the wrench has a "fixed size" wrench opening. |
|