Pocket Watch Database
Patent Archive
#344321
Patent Information
Method Attach Hub Gear Wheel & Pinion
William B. Learned
June 22, 1886
Patent #344321
| Patent Number: | 344321 |
| Description: | Method Attach Hub Gear Wheel & Pinion |
| Inventor(s): | William B. Learned |
| Patent Date: | Jun 22, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
