Pocket Watch Database
Patent Archive
#513931
Patent Information
Tool Jewel Chuck
John L. Hutchinson
January 30, 1894
Patent #513931
| Patent Number: | 513931 |
| Description: | Tool Jewel Chuck |
| Inventor(s): | John L. Hutchinson |
| Assignee: | Bowman Ezra F |
| Patent Date: | Jan 30, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
