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: |
