Pocket Watch Database
Patent Archive
#1753949
Patent Information
Clock Coin Operate
Willis D. Shafer
April 8, 1930
Patent #1753949
| Patent Number: | 1753949 |
| Description: | Clock Coin Operate |
| Inventor(s): | Willis D. Shafer |
| Assignee: | Shafer-halligan-compton Inc |
| Patent Date: | Apr 8, 1930 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
