Pocket Watch Database
Patent Archive
#2121773
Patent Information
Motion Check Appatarus
William Barton Eddison
June 28, 1938
Patent #2121773
| Patent Number: | 2121773 |
| Description: | Motion Check Appatarus |
| Inventor(s): | William Barton Eddison |
| Patent Date: | Jun 28, 1938 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
