Pocket Watch Database
Patent Archive
#1770874
Patent Information
Horological Lamp
Joseph H. Brown
July 15, 1930
Patent #1770874
| Patent Number: | 1770874 |
| Description: | Horological Lamp |
| Inventor(s): | Joseph H. Brown |
| Patent Date: | Jul 15, 1930 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
