Pocket Watch Database
Patent Archive
#1419029
Patent Information
Dial Train
Otto Doll
June 6, 1922
Patent #1419029
| Patent Number: | 1419029 |
| Description: | Dial Train |
| Inventor(s): | Otto Doll |
| Patent Date: | Jun 6, 1922 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
