Pocket Watch Database
Patent Archive
#1755171
Patent Information
Watch Waterproof Case
Herman Bartenbach
April 22, 1930
Patent #1755171
| Patent Number: | 1755171 |
| Description: | Watch Waterproof Case |
| Inventor(s): | Herman Bartenbach |
| Patent Date: | Apr 22, 1930 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
