US Patent: 557,311
|
Wrench
|
Patentee:
|
|
Henry J. Martin (exact or similar names) - Chicago, IL |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Dec. 20, 1895 |
Granted: |
Mar. 31, 1896 |
Patent Pictures:
|
|
Henry J. Martin patent March 31, 1896 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
Worm and rack adjustable pocket wrench with the worm engaging teeth cut in opposite sides of a slot running up the mid-line of the handle.
The specifications detail how the parts are assembled in the movable jaw of this design.
Cited as a reference in patent no. 2,444,135. |
|