Pocket Watch Database
Patent Archive
#852859
Patent Information
Clock Alarm
Arthur H. Porter
Elmer E. Stockton
May 7, 1907
Patent #852859
| Patent Number: | 852859 |
| Description: | Clock Alarm |
| Inventor(s): |
Arthur H. Porter Elmer E. Stockton |
| Assignee: | E Ingraham Co |
| Patent Date: | May 7, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
