Pocket Watch Database
Patent Archive
#772165
Patent Information
Clock Alarm 8 Day
John Matzinger
October 11, 1904
Patent #772165
Patent Number: | 772165 |
Description: | Clock Alarm 8 Day |
Inventor(s): | John Matzinger |
Patent Date: | Oct 11, 1904 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |