Pocket Watch Database
Patent Archive
#2019717
Patent Information
Clock Electric Alarm Drum Dial
Frank Grosse Borger
Ralph Magro
November 5, 1935
Patent #2019717
| Patent Number: | 2019717 |
| Description: | Clock Electric Alarm Drum Dial |
| Inventor(s): |
Frank Grosse Borger Ralph Magro |
| Assignee: | Ralph Magro |
| Patent Date: | Nov 5, 1935 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
