Pocket Watch Database
Patent Archive
#1395154
Patent Information
Chronometer
William A. Slingerland
October 25, 1921
Patent #1395154
| Patent Number: | 1395154 |
| Description: | Chronometer |
| Inventor(s): | William A. Slingerland |
| Patent Date: | Oct 25, 1921 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
