Patent information:

Patent:Utility 1,348,249
Patented:August 3, 1920
Applied:January 17, 1918
Title:Insulator Knob
Description:Electrose knob
Category:Knob
Assigned to: 

Patentee Information:

STEINBERGER, Louis Brooklyn, NY

Class and subclass information:

Class:178TELEGRAPHY
Subclass:110 

Known specimens:

None known

Drawings:

Drawing page 1

Page 1