Pocket Watch Database
Patent Archive
#2201809
Patent Information
Clock Advertise Mystery Dial
Marshall Brown
May 21, 1940
Patent #2201809
| Patent Number: | 2201809 |
| Description: | Clock Advertise Mystery Dial |
| Inventor(s): | Marshall Brown |
| Assignee: | Kamm Richard |
| Patent Date: | May 21, 1940 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
