Pocket Watch Database
Patent Archive
#771624
Patent Information
Tool Hair Spring & Balance
Fred H. Gillette
October 4, 1904
Patent #771624
Patent Number: | 771624 |
Description: | Tool Hair Spring & Balance |
Inventor(s): | Fred H. Gillette |
Patent Date: | Oct 4, 1904 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |