Pocket Watch Database
Patent Archive
#813836
Patent Information
Clock Shadow
Richard Bartholomew Smith
February 27, 1906
Patent #813836
| Patent Number: | 813836 |
| Description: | Clock Shadow |
| Inventor(s): | Richard Bartholomew Smith |
| Patent Date: | Feb 27, 1906 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
