Title:
SIGNAL LANTERN
United States Patent 3544784


Inventors:
Grieger, Philip F.
Martin, Norman A.
Douma, William L.
Application Number:
US3544784DA
Publication Date:
12/01/1970
Filing Date:
06/18/1968
Assignee:
MC GRAW EDISON CO
Primary Class:
Other Classes:
362/194
International Classes:
B61L5/18; (IPC1-7): F21L15/04; F21Q3/00
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