Pocket Watch Database
Patent Archive
#168620
Patent Information
Clock Lock Work
Mark M. Robinson
Edgar C. Covell
October 11, 1875
Patent #168620
| Patent Number: | 168620 |
| Description: | Clock Lock Work |
| Inventor(s): |
Mark M. Robinson Edgar C. Covell |
| Patent Date: | Oct 11, 1875 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
