US Patent: 207,172
|
Tap Wrench
|
Patentee:
|
|
Charles H. Fowler (exact or similar names) - Boston, MA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Apr. 11, 1878 |
Granted: |
Aug. 20, 1878 |
Patent Pictures:
|
|
Charles H. Fowler patent August 20, 1878 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Stan Schulz
|
Description: |
The gripping die is round, with a "V" notch in the end, and fits down the same bore as the adjusting screw. |
|