US Patent: 239,881
|
| Mortising machine
|
|
Patentees:
|
| Charles C. Strong (exact or similar names) - Defiance, OH |
| Charles Seymour (exact or similar names) - Defiance, OH |
| David B. Turnbull (exact or similar names) - Defiance, OH |
|
|
Patent Dates:
|
| Applied: |
Dec. 28, 1880 |
| Granted: |
Apr. 05, 1881 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Jeff Joslin
Vintage Machinery entry for Defiance Machine Works
|
|
Description: |
| Invention seen on Defiance Nos. 1 1/2 and 2 1/2 double-chisel combined hub and plain mortising machines in a 1910 Defiance Machine Works catalog. |
|
