Pocket Watch Database
Patent Archive
#3490225
Patent Information
Clock Secondary Set System
Rudolph M. Duris
David J. Riordan
January 20, 1970
Patent #3490225
| Patent Number: | 3490225 |
| Description: | Clock Secondary Set System |
| Inventor(s): |
Rudolph M. Duris David J. Riordan |
| Assignee: | Edwards Co Inc |
| Patent Date: | Jan 20, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
