Pocket Watch Database
Patent Archive
#1216636
Patent Information
Watch Crystal
Frederick Wehinger
February 20, 1917
Patent #1216636
| Patent Number: | 1216636 |
| Description: | Watch Crystal |
| Inventor(s): | Frederick Wehinger |
| Assignee: | Waterbury Clock Co |
| Patent Date: | Feb 20, 1917 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
