Pocket Watch Database
Patent Archive
#1997979
Patent Information
Clock Automatic Regulate System
Joseph Brodie Smith
April 16, 1935
Patent #1997979
| Patent Number: | 1997979 |
| Description: | Clock Automatic Regulate System |
| Inventor(s): | Joseph Brodie Smith |
| Patent Date: | Apr 16, 1935 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
