Pocket Watch Database
Patent Archive
#143230
Patent Information
Clock Program
Samuel F. Estell
September 30, 1873
Patent #143230
| Patent Number: | 143230 |
| Description: | Clock Program |
| Inventor(s): | Samuel F. Estell |
| Patent Date: | Sep 30, 1873 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
