Pocket Watch Database
Patent Archive
#476953
Patent Information
Machine Wheel & Pinion
Duane H. Church
June 14, 1892
Patent #476953
| Manufacturer: | Waltham |
| Patent Number: | 476953 |
| Description: | Machine Wheel & Pinion |
| Inventor(s): | Duane H. Church |
| Patent Date: | Jun 14, 1892 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
