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:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:157INSULATORS Divided insulator Aligned through aperture;

Known specimens:

Number:Specimen known

Drawings:

Drawing page 1

Page 1