Pocket Watch Database
Patent Archive
#28088
Patent Information
Clock Level Device
J. F. Keeler
May 1, 1860
Patent #28088
| Patent Number: | 28088 |
| Description: | Clock Level Device |
| Inventor(s): | J. F. Keeler |
| Patent Date: | May 1, 1860 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
