Title:
Manually operated dockboard
United States Patent 3249956


Inventors:
Zajac, Anthony J.
Amico, Alfred DE. E.
Application Number:
US31633563A
Publication Date:
05/10/1966
Filing Date:
10/15/1963
Assignee:
AMERICAN WELDING & ENGINEERING
Primary Class:
International Classes:
B65G69/28
View Patent Images:
US Patent References:
3137017Adjustable dockboard1964-06-16
3117332Adjustable dockboard1964-01-14
3087178Adjustable loading dock1963-04-30
3061855Dockboard unit1962-11-06
2974336Adjustable dockboard1961-03-14
2871505Torsion bar hinge assembly1959-02-03
2846703Loading dock1958-08-12
2797434Hood or deck lid hinge1957-07-02
2751615Dockboard1956-06-26
2714735Adjustable loading ramp1955-08-09