Patent information:
| Patent: | Utility 907,251 |
| Patented: | December 22, 1908 |
| Applied: | June 10, 1908 |
| Title: | Electrical Wiring Knob |
| Description: | nail-knob with side projection on each part to secure the wire. |
| Category: | Knob |
| Assigned to: |
Patentee Information:
| LAWRENCE, Harry W. | Denver, CO |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 157 | INSULATORS; Divided insulator; Aligned through aperture; |
Known specimens:
| Number: |
Drawings:
Page 1 |