Pocket Watch Database
Patent Archive
#2137519
Patent Information
Sundial Wrist & Compass
Isaac Wigdor
November 22, 1938
Patent #2137519
| Patent Number: | 2137519 |
| Description: | Sundial Wrist & Compass |
| Inventor(s): | Isaac Wigdor |
| Patent Date: | Nov 22, 1938 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
