Patent information:
| Patent: | Utility 1,290,540 |
| Patented: | January 7, 1919 |
| Applied: | March 6, 1918 |
| Title: | Knob Insulator |
| Description: | Knob with 6-prong star under cap (DIXIE NAIL-IT and DIXIE SCREW-IT) |
| Category: | Knob |
| Assigned to: |
Patentee Information:
| GLOCKER, Gustave | North East, MD |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 157 | INSULATORS; Divided insulator; Aligned through aperture; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |