Pocket Watch Database
Patent Archive
#2188059
Patent Information
Watch Apparatus For Time
Ernst Norrman
Maurice B. Landers
January 23, 1940
Patent #2188059
Patent Number: | 2188059 |
Description: | Watch Apparatus For Time |
Inventor(s): |
Ernst Norrman Maurice B. Landers |
Patent Date: | Jan 23, 1940 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |