Pocket Watch Database
Patent Archive
#460751
Patent Information
Clock Alarm
Wilhelm Madel
October 6, 1891
Patent #460751
| Patent Number: | 460751 |
| Description: | Clock Alarm |
| Inventor(s): | Wilhelm Madel |
| Patent Date: | Oct 6, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
