Pocket Watch Database
Patent Archive
#1800011
Patent Information
Cannon Pinion
Emanuel L. Fenstermaker
April 7, 1931
Patent #1800011
| Patent Number: | 1800011 |
| Description: | Cannon Pinion |
| Inventor(s): | Emanuel L. Fenstermaker |
| Patent Date: | Apr 7, 1931 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
