Pocket Watch Database
Patent Archive
#376524
Patent Information
Watch Case Spring
Carl G. Harstrom
January 17, 1888
Patent #376524
Patent Number: | 376524 |
Description: | Watch Case Spring |
Inventor(s): | Carl G. Harstrom |
Patent Date: | Jan 17, 1888 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |