Pocket Watch Database
Patent Archive
#518971
Patent Information
Clock Electric Timer
Henry P. Sommer
May 1, 1894
Patent #518971
| Patent Number: | 518971 |
| Description: | Clock Electric Timer |
| Inventor(s): | Henry P. Sommer |
| Patent Date: | May 1, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
