US Patent: 1,734X
|
Machine for cutting screws
|
Patentees:
|
Josiah White (exact or similar names) - Philadelphia, PA |
Elisha Hazard (exact or similar names) - Philadelphia, PA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Granted: |
May 15, 1812 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin
|
Description: |
Because of the Patent Office fire in December 1836, little is known about this patent. There are no patent specification or drawings available. |
|