Pocket Watch Database
Patent Archive
#504046
Patent Information
Chronometer Escape
Alpine James G. Mc
August 29, 1893
Patent #504046
Patent Number: | 504046 |
Description: | Chronometer Escape |
Inventor(s): | Alpine James G. Mc |
Patent Date: | Aug 29, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |