Pocket Watch Database
Patent Archive
#2540502
Patent Information
Liquid Timer
Frederick E. Aschbacher
February 6, 1951
Patent #2540502
| Patent Number: | 2540502 |
| Description: | Liquid Timer |
| Inventor(s): | Frederick E. Aschbacher |
| Patent Date: | Feb 6, 1951 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
