Pocket Watch Database
Patent Archive
#179076
Patent Information
Time Lock
Thomas W. Spencer
June 20, 1876
Patent #179076
| Patent Number: | 179076 |
| Description: | Time Lock |
| Inventor(s): | Thomas W. Spencer |
| Patent Date: | Jun 20, 1876 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
