Pocket Watch Database
Patent Archive
#RE892
Patent Information
Watch Regulator
John M. Harper
Ralph S. Mershon
February 7, 1860
Patent #RE892
| Patent Number: | RE892 |
| Category: | Regulators |
| Description: | Watch Regulator |
| Inventor(s): |
John M. Harper Ralph S. Mershon |
| Assignee: | Mershon Ralph S |
| Patent Date: | Feb 7, 1860 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
