Pocket Watch Database
Patent Archive
#2473700
Patent Information
Apparatus Test Accuracy Movement
Carl Berkley
June 21, 1949
Patent #2473700
| Patent Number: | 2473700 |
| Description: | Apparatus Test Accuracy Movement |
| Inventor(s): | Carl Berkley |
| Assignee: | Allen B Du Mont Laboratories |
| Patent Date: | Jun 21, 1949 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
