Pocket Watch Database
Patent Archive
#1971086
Patent Information
Standard Frequency Apparatus
Virgil E. Trouant
August 21, 1934
Patent #1971086
| Patent Number: | 1971086 |
| Description: | Standard Frequency Apparatus |
| Inventor(s): | Virgil E. Trouant |
| Assignee: | Westinghouse Electric & Mfg Co |
| Patent Date: | Aug 21, 1934 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
