Pocket Watch Database
Patent Archive
#2254649
Patent Information
Record Apparatus
Thomas B. Gibbs
September 2, 1941
Patent #2254649
| Patent Number: | 2254649 |
| Description: | Record Apparatus |
| Inventor(s): | Thomas B. Gibbs |
| Patent Date: | Sep 2, 1941 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
