Pocket Watch Database
Patent Archive
#840562
Patent Information
Time Circuit Closer
William S. Guthrie
January 8, 1907
Patent #840562
| Patent Number: | 840562 |
| Description: | Time Circuit Closer |
| Inventor(s): | William S. Guthrie |
| Patent Date: | Jan 8, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
