Pocket Watch Database
Patent Archive
#2256200
Patent Information
Watch Case
Donovan J. Heilman
September 16, 1941
Patent #2256200
| Patent Number: | 2256200 |
| Description: | Watch Case |
| Inventor(s): | Donovan J. Heilman |
| Patent Date: | Sep 16, 1941 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
