Pocket Watch Database
Patent Archive
#18890
Patent Information
Clock
Robert P. Cunningham
December 22, 1857
Patent #18890
| Patent Number: | 18890 |
| Description: | Clock |
| Inventor(s): | Robert P. Cunningham |
| Patent Date: | Dec 22, 1857 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
