Pocket Watch Database
Patent Archive
#1720902
Patent Information
Clock Time Globe
Elmer T. Isaacson
July 16, 1929
Patent #1720902
| Patent Number: | 1720902 |
| Description: | Clock Time Globe |
| Inventor(s): | Elmer T. Isaacson |
| Patent Date: | Jul 16, 1929 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
