Pocket Watch Database
Patent Archive
#410664
Patent Information
Clock Record Thermometer
William F. Brewster
September 10, 1889
Patent #410664
| Patent Number: | 410664 |
| Description: | Clock Record Thermometer |
| Inventor(s): | William F. Brewster |
| Patent Date: | Sep 10, 1889 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
