US Patent: 172,550
|
Pipe-Tongs
|
Patentee:
|
|
James R. Brown (exact or similar names) - Cambridgeport, MA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Nov. 09, 1875 |
Granted: |
Jan. 25, 1876 |
Patent Pictures:
|
|
James R. Brown Pat. January 25, 1876 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The fulcrum point is adjustable either by a screw-adjustment or by rack and pawl. The main structure is three interconnected levers. |
|