Pocket Watch Database
Patent Archive
#2310582
Patent Information
Clock & Watch Time Indicator
William T. Jefferson
February 9, 1943
Patent #2310582
| Patent Number: | 2310582 |
| Description: | Clock & Watch Time Indicator |
| Inventor(s): | William T. Jefferson |
| Patent Date: | Feb 9, 1943 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
