Pocket Watch Database
Patent Archive
#451712
Patent Information
Tool Jewel Set Cutter
Alphonso Hartung
May 5, 1891
Patent #451712
| Patent Number: | 451712 |
| Description: | Tool Jewel Set Cutter |
| Inventor(s): | Alphonso Hartung |
| Patent Date: | May 5, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
