Pocket Watch Database
Patent Archive
#936422
Patent Information
Tool Rest Lathe
Frederick W. Derbyshire
October 12, 1909
Patent #936422
| Patent Number: | 936422 |
| Description: | Tool Rest Lathe |
| Inventor(s): | Frederick W. Derbyshire |
| Assignee: | American Watch Tool Co |
| Patent Date: | Oct 12, 1909 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
