Pocket Watch Database
Patent Archive
#1546830
Patent Information
Watch Crystal
Alexander Friedman
July 21, 1925
Patent #1546830
| Patent Number: | 1546830 |
| Description: | Watch Crystal |
| Inventor(s): | Alexander Friedman |
| Assignee: | Gluck Martin |
| Patent Date: | Jul 21, 1925 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
