Pocket Watch Database
Patent Archive
#83776
Patent Information
Clock Escape
William C. Kellum
November 3, 1868
Patent #83776
Patent Number: | 83776 |
Description: | Clock Escape |
Inventor(s): | William C. Kellum |
Patent Date: | Nov 3, 1868 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |