Title:
Safety device for elevators
United States Patent 2923379


Inventors:
William, Stelzer
Application Number:
US54794055A
Publication Date:
02/02/1960
Filing Date:
11/21/1955
Assignee:
William, Stelzer
Primary Class:
Other Classes:
187/246
International Classes:
B66B9/08
View Patent Images:
US Patent References: