US Patent: 157,695
|
Metal-Riveting Machines
|
Patentees:
|
John L. Piper (exact or similar names) - Pittsburg, Allegheny County, PA |
John A. Nichols (exact or similar names) - Pittsburg, Allegheny County, PA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Oct. 28, 1874 |
Granted: |
Dec. 15, 1874 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens
|