Pocket Watch Database
Patent Archive
#328307
Patent Information
Stem Arbor Wheel And Ratchet
G. E. Hart
October 13, 1885
Patent #328307
| Patent Number: | 328307 |
| Description: | Stem Arbor Wheel And Ratchet |
| Inventor(s): | G. E. Hart |
| Patent Date: | Oct 13, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
