Pocket Watch Database
Patent Archive
#76958
Patent Information
Tool Clock Collet Die
Hiram C. Thompson
April 21, 1868
Patent #76958
| Patent Number: | 76958 |
| Description: | Tool Clock Collet Die |
| Inventor(s): | Hiram C. Thompson |
| Patent Date: | Apr 21, 1868 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
