Pocket Watch Database
Patent Archive
#2542575
Patent Information
Alkaline Dry Cell
Samuel Ruben
February 20, 1951
Patent #2542575
| Patent Number: | 2542575 |
| Description: | Alkaline Dry Cell |
| Inventor(s): | Samuel Ruben |
| Patent Date: | Feb 20, 1951 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
