Pocket Watch Database
Patent Archive
#428583
Patent Information
Recorder Watch Man
Charles E. Egan
Henry F. Gray
May 20, 1890
Patent #428583
| Patent Number: | 428583 |
| Description: | Recorder Watch Man |
| Inventor(s): |
Charles E. Egan Henry F. Gray |
| Patent Date: | May 20, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
