Pocket Watch Database
Patent Archive
#101891
Patent Information
Clock Dial Enamel
Thomas Graham Leibnau
Alfred G. Heaney
April 12, 1870
Patent #101891
| Patent Number: | 101891 |
| Description: | Clock Dial Enamel |
| Inventor(s): |
Thomas Graham Leibnau Alfred G. Heaney |
| Patent Date: | Apr 12, 1870 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
