Pocket Watch Database
Patent Archive
#855130
Patent Information
Clock Case Alarm
Arthur H. Porter
May 28, 1907
Patent #855130
| Patent Number: | 855130 |
| Description: | Clock Case Alarm |
| Inventor(s): | Arthur H. Porter |
| Assignee: | E Ingraham Co |
| Patent Date: | May 28, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
