Pocket Watch Database
Patent Archive
#1217937
Patent Information
Clock & Compass
Rank R. Greene
March 6, 1917
Patent #1217937
| Patent Number: | 1217937 |
| Description: | Clock & Compass |
| Inventor(s): | Rank R. Greene |
| Patent Date: | Mar 6, 1917 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
