Pocket Watch Database
Patent Archive
#1792365
Patent Information
Timer Electric Circuit
Rudolf Dohnalek
February 10, 1931
Patent #1792365
| Patent Number: | 1792365 |
| Description: | Timer Electric Circuit |
| Inventor(s): | Rudolf Dohnalek |
| Patent Date: | Feb 10, 1931 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
