Pocket Watch Database
Patent Archive
#912220
Patent Information
Clock Coin Operate
Aage Georg Peter Wiingaard
February 9, 1909
Patent #912220
| Patent Number: | 912220 |
| Description: | Clock Coin Operate |
| Inventor(s): | Aage Georg Peter Wiingaard |
| Patent Date: | Feb 9, 1909 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
