US Patent: 2,190,081
|
| Coupling
|
|
Patentee:
|
|
| Edward M. Pfauser (exact or similar names) - Elm Grove, WI |
|
|
Patent Dates:
|
| Applied: |
Jan. 22, 1936 |
| Granted: |
Feb. 13, 1940 |
|
Patent Pictures:
|
|
Edward M. Pfauser patent February 13, 1940 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Alloy Artifacts describes this patent as the culmination of a series of patents used for Blackhawk's "Lock-On" drive tools and sockets. This patent shows the release button in the sockets.
Alloy Artifacts describes the patent sequence as: 1,685,503, RE19,287, 1,807,134, 1,927,844, 1,982,008 and this patent.
Morsell, Lieber & Morsell - patent attorneys
|
|
