Pocket Watch Database
Patent Archive
#984573
Patent Information
Clock Alarm
Theodore Lassen
February 21, 1911
Patent #984573
Patent Number: | 984573 |
Description: | Clock Alarm |
Inventor(s): | Theodore Lassen |
Patent Date: | Feb 21, 1911 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |