Patent information:
| Patent: | Utility 660,271 |
| Patented: | October 23, 1900 |
| Applied: | December 10, 1897 |
| Title: | Insulating Knob for Electric Light Wiring |
| Description: | Knob - self-tying |
| Category: | Knob |
| Assigned to: |
Patentee Information:
| HENDERSON, Robert H. | Chicago, IL |
| HENDERSON, John G. | Chicago, IL |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 174 | INSULATORS; With conductor holding means; Insulator structure; |
Known specimens:
| None known |
Drawings:
Page 1 |