Pocket Watch Database
Patent Archive
#360648
Patent Information
Clock Main Spring Ratchet & Click
Charles Bickford
April 5, 1887
Patent #360648
Patent Number: | 360648 |
Description: | Clock Main Spring Ratchet & Click |
Inventor(s): | Charles Bickford |
Patent Date: | Apr 5, 1887 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |