Pocket Watch Database
Patent Archive
#1681121
Patent Information
Tool Balance Staff Guage
Robert Larsen
August 14, 1928
Patent #1681121
| Patent Number: | 1681121 |
| Description: | Tool Balance Staff Guage |
| Inventor(s): | Robert Larsen |
| Patent Date: | Aug 14, 1928 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
