Pocket Watch Database
Patent Archive
#1218692
Patent Information
Clock Electric
Charles Edouard O'keenan
March 14, 1917
Patent #1218692
| Patent Number: | 1218692 |
| Description: | Clock Electric |
| Inventor(s): | Charles Edouard O'keenan |
| Patent Date: | Mar 14, 1917 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
