Pocket Watch Database
Patent Archive
#2900021
Patent Information
Electromechanical Timer
Lawson E. Richtmyer
Paul G. Gerhard
August 18, 1959
Patent #2900021
| Patent Number: | 2900021 |
| Description: | Electromechanical Timer |
| Inventor(s): |
Lawson E. Richtmyer Paul G. Gerhard |
| Assignee: | United States Of America |
| Patent Date: | Aug 18, 1959 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
