US Patent: 1,407,360
|
| Wrench
|
|
Patentee:
|
|
| John J. Thomas (exact or similar names) - Balfour, ND |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Apr. 30, 1921 |
| Granted: |
Feb. 21, 1922 |
|
Patent Pictures:
|
|
John J. Thomas patent February 21, 1922 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Combination quick and screw-adjust combination nut and pipe wrench, with pre-set stops and provision for fine adjustment. The operation described in the specifications sounds complicated. |
|
