Pocket Watch Database
Patent Archive
#189785
Patent Information
Watch Man Time Detector
Joseph Antonio Jean Redier
April 17, 1877
Patent #189785
| Patent Number: | 189785 |
| Description: | Watch Man Time Detector |
| Inventor(s): | Joseph Antonio Jean Redier |
| Patent Date: | Apr 17, 1877 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
