Pocket Watch Database
Patent Archive
#900293
Patent Information
Clock Alarm
Rudolf Metz
October 6, 1908
Patent #900293
Patent Number: | 900293 |
Description: | Clock Alarm |
Inventor(s): | Rudolf Metz |
Patent Date: | Oct 6, 1908 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |