US Patent: 306,376
|
Ratchet Drill
Attachment For Ratchet-Wrenches
|
|
Patentee:
|
|
| William J. Armstrong (exact or similar names) - Indianapolis, IN |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jul. 28, 1883 |
| Granted: |
Oct. 14, 1884 |
|
Patent Pictures:
|
|
William J. Armstrong patent October 14, 1884 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| Although the drawings elaborate the ratchet, the patent is for the feed-screw attachment for the drilling function.
The wrench looks like patent no. 266,595, produced as the OWEN ratchet at Nashville, TN. |
|
