Pocket Watch Database
Patent Archive
#1957693
Patent Information
Clock Case Alarm
Elof L. Carlson
May 8, 1934
Patent #1957693
| Patent Number: | 1957693 |
| Description: | Clock Case Alarm |
| Inventor(s): | Elof L. Carlson |
| Assignee: | E Ingraham Co |
| Patent Date: | May 8, 1934 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
