Patent information:
| Patent: | Utility 751,841 |
| Patented: | February 9, 1904 |
| Applied: | October 29, 1902 |
| Title: | Thread Cutting Machine |
| Description: | Insulator pin threading device |
| Category: | Pin |
| Assigned to: | Defiance Machine Works |
Patentee Information:
| ENSIGN, George A. | Defiance, OH |
Class and subclass information:
| Class: | 142 | WOOD TURNING |
| Subclass: | 24 | CIRCULAR SECTION; Spiral grooving; Cutter; Rotary; Pattern guide; |
Known specimens:
| None known |
Drawings:
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