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Title:
Latch
Document Type and Number:
United States Patent 2186903
Inventors:
Gleason, Joseph P.
Plaque It!
Sponsored by:
Flash of Genius
Publication Date:
01/09/1940
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Assignee:
PENNSYLVANIA RAILROAD CO
Primary Class:
292/254
Other Classes:
292/DIG.031
International Classes:
E05B63/24
;
E05B63/00
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