Pocket Watch Database
Patent Archive
#3151442
Patent Information
Timer Sand Glass Motor
Willard Rush Cullen
Dale R. Milne
October 6, 1964
Patent #3151442
| Patent Number: | 3151442 |
| Description: | Timer Sand Glass Motor |
| Inventor(s): |
Willard Rush Cullen Dale R. Milne |
| Assignee: | Y |
| Patent Date: | Oct 6, 1964 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
