Pocket Watch Database
Patent Archive
#497019
Patent Information
Clock Program Alarm
Albert Evans
Bert Hollenback
May 9, 1893
Patent #497019
Patent Number: | 497019 |
Description: | Clock Program Alarm |
Inventor(s): |
Albert Evans Bert Hollenback |
Patent Date: | May 9, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |