Pocket Watch Database
Patent Archive
#1529902
Patent Information
Recorder Watch Man
Donald R. Middleton
March 17, 1925
Patent #1529902
| Patent Number: | 1529902 |
| Description: | Recorder Watch Man |
| Inventor(s): | Donald R. Middleton |
| Assignee: | Automatic Electric Co |
| Patent Date: | Mar 17, 1925 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
