Pocket Watch Database
Patent Archive
#505115
Patent Information
Clock Alarm
Edward R. Mason
Alt O. Snow
September 19, 1893
Patent #505115
| Patent Number: | 505115 |
| Description: | Clock Alarm |
| Inventor(s): |
Edward R. Mason Alt O. Snow |
| Patent Date: | Sep 19, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
