Pocket Watch Database
Patent Archive
#537829
Patent Information
Clock Alarm Electric
Henry W. Knapp
Lawrence E. Gerrety
April 23, 1895
Patent #537829
| Patent Number: | 537829 |
| Description: | Clock Alarm Electric |
| Inventor(s): |
Henry W. Knapp Lawrence E. Gerrety |
| Patent Date: | Apr 23, 1895 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
