Pocket Watch Database
Patent Archive
#1922946
Patent Information
Timer Electric Circuit
Alphonse M. Greis
August 15, 1933
Patent #1922946
| Patent Number: | 1922946 |
| Description: | Timer Electric Circuit |
| Inventor(s): | Alphonse M. Greis |
| Assignee: | Biery Walter L |
| Patent Date: | Aug 15, 1933 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
