Pocket Watch Database
Patent Archive
#1060380
Patent Information
Clock Electric Gravity
William Henderson Thompson
April 29, 1913
Patent #1060380
| Patent Number: | 1060380 |
| Description: | Clock Electric Gravity |
| Inventor(s): | William Henderson Thompson |
| Assignee: | Natl Display System Inc |
| Patent Date: | Apr 29, 1913 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
