Pocket Watch Database
Patent Archive
#1059758
Patent Information
Telephone Time Signal
William Pothen
April 22, 1913
Patent #1059758
| Patent Number: | 1059758 |
| Description: | Telephone Time Signal |
| Inventor(s): | William Pothen |
| Patent Date: | Apr 22, 1913 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
