Pocket Watch Database
Patent Archive
#428676
Patent Information
Clock Electric Circuit Closer
Henry C. Karr
May 27, 1890
Patent #428676
| Patent Number: | 428676 |
| Description: | Clock Electric Circuit Closer |
| Inventor(s): | Henry C. Karr |
| Patent Date: | May 27, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
