Pocket Watch Database
Patent Archive
#441908
Patent Information
Clock Alarm Electric
Matthas W. Tiedemann
December 2, 1890
Patent #441908
| Patent Number: | 441908 |
| Description: | Clock Alarm Electric |
| Inventor(s): | Matthas W. Tiedemann |
| Patent Date: | Dec 2, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
