Pocket Watch Database
Patent Archive
#1159494
Patent Information
Watch Safety
William H. Harmon
November 9, 1915
Patent #1159494
| Patent Number: | 1159494 |
| Description: | Watch Safety |
| Inventor(s): | William H. Harmon |
| Patent Date: | Nov 9, 1915 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
