US Patent: 1,052,313
|
Pipe-wrench
|
|
Patent Dates:
|
Applied: |
Apr. 27, 1912 |
Granted: |
Feb. 04, 1913 |
Patent Pictures:
[
1 | 2
]
|
|
|
USPTO pdf tiff Google Patents
Report data errors or omissions
|
Description: |
10-inch long example reported with label, "GTD GREENFIELD, MASS, LITTLE GIANT". Made in 8, 10, 14, 18 and 24 inch sizes by Greenfield Tap and Die. The 8 and 10 inch sizes have two gripping faces on the main bar rather than four. |
|