Pocket Watch Database
Patent Archive
#908503
Patent Information
Register Telephone Elapsed Time
Addopph Sanders
January 5, 1909
Patent #908503
| Patent Number: | 908503 |
| Description: | Register Telephone Elapsed Time |
| Inventor(s): | Addopph Sanders |
| Assignee: | Rosen Joseph G |
| Patent Date: | Jan 5, 1909 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
