Pocket Watch Database
Patent Archive
#1240483
Patent Information
Clock Alarm
Wilson E. Porter
September 18, 1917
Patent #1240483
Patent Number: | 1240483 |
Description: | Clock Alarm |
Inventor(s): | Wilson E. Porter |
Assignee: | New Haven Clock Co |
Patent Date: | Sep 18, 1917 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |