Pocket Watch Database
Patent Archive
#1369427
Patent Information
Clock Alarm
John S. Hartley
February 22, 1921
Patent #1369427
| Patent Number: | 1369427 |
| Description: | Clock Alarm |
| Inventor(s): | John S. Hartley |
| Assignee: | Hartley Clock Co |
| Patent Date: | Feb 22, 1921 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
