Pocket Watch Database
Patent Archive
#1711296
Patent Information
Clock Advertise Stereopticon
George Willens
April 30, 1929
Patent #1711296
| Patent Number: | 1711296 |
| Description: | Clock Advertise Stereopticon |
| Inventor(s): | George Willens |
| Patent Date: | Apr 30, 1929 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
