Pocket Watch Database
Patent Archive
#1374929
Patent Information
Synch
Henry I. Larson
April 19, 1921
Patent #1374929
| Patent Number: | 1374929 |
| Description: | Synch |
| Inventor(s): | Henry I. Larson |
| Patent Date: | Apr 19, 1921 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
