Pocket Watch Database
Patent Archive
#404937
Patent Information
Tool Hair Spring Collet Pliers
Albert F. Thompson
June 11, 1889
Patent #404937
| Patent Number: | 404937 |
| Description: | Tool Hair Spring Collet Pliers |
| Inventor(s): | Albert F. Thompson |
| Patent Date: | Jun 11, 1889 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
