Pocket Watch Database
Patent Archive
#2690646
Patent Information
Escape Mech
Cecil Frank Clifford
October 5, 1954
Patent #2690646
| Patent Number: | 2690646 |
| Description: | Escape Mech |
| Inventor(s): | Cecil Frank Clifford |
| Patent Date: | Oct 5, 1954 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
