Pocket Watch Database
Patent Archive
#450390
Patent Information
Clock Program & Call
Richard Jr Varley
April 14, 1891
Patent #450390
| Patent Number: | 450390 |
| Description: | Clock Program & Call |
| Inventor(s): | Richard Jr Varley |
| Patent Date: | Apr 14, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
