US Patent: 642,313
|
| Hinge-mortising machine
|
|
Patentees:
|
| Frank W. Lindgren (exact or similar names) - Rockford, IL |
| Levin Faust (exact or similar names) - Rockford, IL |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Granted: |
Jan. 30, 1900 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin
|
|
Description: |
| The co-inventors were partners in the firm of Mechanics Machine Co. |
|