Pocket Watch Database
Patent Archive
#165878
Patent Information
Time Lock
J. Sargent,
July 20, 1875
Patent #165878
| Patent Number: | 165878 |
| Description: | Time Lock |
| Inventor(s): | J. Sargent, |
| Patent Date: | Jul 20, 1875 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
