Pocket Watch Database
Patent Archive
#1796652
Patent Information
Timepiece Indicate Crystal
William D. Hawley
March 17, 1931
Patent #1796652
| Patent Number: | 1796652 |
| Description: | Timepiece Indicate Crystal |
| Inventor(s): | William D. Hawley |
| Patent Date: | Mar 17, 1931 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
