Pocket Watch Database
Patent Archive
#915762
Patent Information
Clock Pivot Hole Polisher
Charles Grivolas
March 23, 1909
Patent #915762
| Patent Number: | 915762 |
| Description: | Clock Pivot Hole Polisher |
| Inventor(s): | Charles Grivolas |
| Patent Date: | Mar 23, 1909 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
