US Patent: 1,273,441
|
Method or Process of Nurling
|
Patentee:
|
|
Edwin Allen Bardwell (exact or similar names) - Shelburne Falls, Franklin County, MA |
|
Patent Dates:
|
Applied: |
Jun. 19, 1917 |
Granted: |
Jul. 23, 1918 |
Patent Pictures:
|
|
Edwin A. Bardwell patent July 23, 1918 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The process involves impressing cross-hatched grooves in tool surfaces while the metal is hot. A nail set with knurled surface is shown as an example. |
|