Pocket Watch Database
Patent Archive
#1402428
Patent Information
Clock Alarm
Samuel Mazur
January 3, 1922
Patent #1402428
Patent Number: | 1402428 |
Description: | Clock Alarm |
Inventor(s): | Samuel Mazur |
Patent Date: | Jan 3, 1922 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |