Pocket Watch Database
Patent Archive
#3018612
Patent Information
Clock Alarm Repeat Mech
Paul Frans Christian Sierhuis
January 30, 1962
Patent #3018612
| Patent Number: | 3018612 |
| Description: | Clock Alarm Repeat Mech |
| Inventor(s): | Paul Frans Christian Sierhuis |
| Patent Date: | Jan 30, 1962 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
