Title:
Door switch
United States Patent 2835760


Inventors:
Clarence, Ringwald
Application Number:
US57047456A
Publication Date:
05/20/1958
Filing Date:
03/09/1956
Assignee:
Clarence, Ringwald
Primary Class:
International Classes:
H01H13/18
View Patent Images:
US Patent References:
2675439Burglar alarm1954-04-13
Foreign References:
DE328975C1920-11-11