Pocket Watch Database
Patent Archive
#288086
Patent Information
Watch Regulator Micrometer
Charles E. Mason
November 6, 1883
Patent #288086
Patent Number: | 288086 |
Category: | Regulators |
Description: | Watch Regulator Micrometer |
Inventor(s): | Charles E. Mason |
Patent Date: | Nov 6, 1883 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |