Pocket Watch Database
Patent Archive
#717558
Patent Information
Recorder Door Opener
Aarry W. Durkee
Will L. Cosgrove
January 6, 1903
Patent #717558
| Patent Number: | 717558 |
| Description: | Recorder Door Opener |
| Inventor(s): |
Aarry W. Durkee Will L. Cosgrove |
| Patent Date: | Jan 6, 1903 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
