US Patent: 235,326
|
| Manufacture of Hammers and Hatchets
|
|
Patentee:
|
|
| Jonathan Yerkes (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Sep. 27, 1880 |
| Granted: |
Dec. 07, 1880 |
|
Patent Pictures:
|
|
Jonathan Yerkes patent December 7, 1880 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The patent describes clamping dies and a welding die which apply a hard steel plate to the head blanks of hammers and hatchets. |
|
