Pocket Watch Database
Patent Archive
#1818590
Patent Information
Watch Digital Dial
Stafford Trottman
August 11, 1931
Patent #1818590
| Patent Number: | 1818590 |
| Description: | Watch Digital Dial |
| Inventor(s): | Stafford Trottman |
| Patent Date: | Aug 11, 1931 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
