Pocket Watch Database
Patent Archive
#2877285
Patent Information
Primary Cell Construction
Walter R. Kempf
March 10, 1959
Patent #2877285
| Manufacturer: | Hamilton |
| Patent Number: | 2877285 |
| Description: | Primary Cell Construction |
| Inventor(s): | Walter R. Kempf |
| Assignee: | Hamilton Watch Co |
| Patent Date: | Mar 10, 1959 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
