Pocket Watch Database
Patent Archive
#521840
Patent Information
Clock Alarm Electric
Nina F. Whitney
June 26, 1894
Patent #521840
| Patent Number: | 521840 |
| Description: | Clock Alarm Electric |
| Inventor(s): | Nina F. Whitney |
| Patent Date: | Jun 26, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
