Pocket Watch Database
Patent Archive
#336460
Patent Information
Clock Dbl Main Spring
Marshal Wheller
February 16, 1886
Patent #336460
| Patent Number: | 336460 |
| Description: | Clock Dbl Main Spring |
| Inventor(s): | Marshal Wheller |
| Patent Date: | Feb 16, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
