Pocket Watch Database
Patent Archive
#418128
Patent Information
Watch Duplex Escape
George E. Hart
December 24, 1889
Patent #418128
Manufacturer: | Waterbury Watch Co. |
Patent Number: | 418128 |
Description: | Watch Duplex Escape |
Inventor(s): | George E. Hart |
Assignee: | Waterbury Watch Co |
Patent Date: | Dec 24, 1889 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |