Pocket Watch Database
Patent Archive
#1829883
Patent Information
Watch Wrist Case & Calendar
Adolf Ulmer
Hermann Wagner
November 3, 1931
Patent #1829883
| Patent Number: | 1829883 |
| Description: | Watch Wrist Case & Calendar |
| Inventor(s): |
Adolf Ulmer Hermann Wagner |
| Patent Date: | Nov 3, 1931 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
