Pocket Watch Database
Patent Archive
#1841750
Patent Information
Clock Auto
Ralph H. Matthiessen
January 19, 1932
Patent #1841750
| Patent Number: | 1841750 |
| Description: | Clock Auto |
| Inventor(s): | Ralph H. Matthiessen |
| Assignee: | Western Clock Co |
| Patent Date: | Jan 19, 1932 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
