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: |