Pocket Watch Database
Patent Archive
#651850
Patent Information
Clock Calendar & Program
William H. Hall
June 19, 1900
Patent #651850
| Patent Number: | 651850 |
| Description: | Clock Calendar & Program |
| Inventor(s): | William H. Hall |
| Assignee: | Benson Alvarado T |
| Patent Date: | Jun 19, 1900 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
