Pocket Watch Database
Patent Archive
#432791
Patent Information
Machine Pinion Shaft Lathe
Duane H. Church
July 22, 1890
Patent #432791
| Manufacturer: | Waltham |
| Patent Number: | 432791 |
| Description: | Machine Pinion Shaft Lathe |
| Inventor(s): | Duane H. Church |
| Patent Date: | Jul 22, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
