Pocket Watch Database
Patent Archive
#816456
Patent Information
Timer Telephone
Gustav Furst
March 27, 1906
Patent #816456
| Patent Number: | 816456 |
| Description: | Timer Telephone |
| Inventor(s): | Gustav Furst |
| Patent Date: | Mar 27, 1906 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
