Pocket Watch Database
Patent Archive
#1420447
Patent Information
Clock Work
Marshall O. Rose
June 20, 1922
Patent #1420447
| Patent Number: | 1420447 |
| Description: | Clock Work |
| Inventor(s): | Marshall O. Rose |
| Patent Date: | Jun 20, 1922 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
