Pocket Watch Database
Patent Archive
#69381
Patent Information
Watch Regulator
Henry L. Zahm
Edward J. Zahm
October 1, 1867
Patent #69381
| Patent Number: | 69381 |
| Category: | Regulators |
| Description: | Watch Regulator |
| Inventor(s): |
Henry L. Zahm Edward J. Zahm |
| Patent Date: | Oct 1, 1867 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
