SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Operating mechanism for elevator doors
United States Patent 1534210
Inventors:
Griffith, Thomas E.
Dodds, Lee L.
Publication Date:
04/21/1925
View Patent Images:
Download PDF 1534210
PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
TYLER CO W S
Primary Class:
49/102
International Classes:
B66B13/08
;
B66B13/02