Pocket Watch Database
Patent Archive
#1495434
Patent Information
Electric Device
Walter S. Pfeifer
May 27, 1924
Patent #1495434
| Patent Number: | 1495434 |
| Description: | Electric Device |
| Inventor(s): | Walter S. Pfeifer |
| Patent Date: | May 27, 1924 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
