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Inventors
ORVILLE
Emanuel L. Logan, Jr.
Main Entry
Emanuel L. Logan, Jr.
Patent Title
Apparatus for Delaying Opening of Doors
Family Name
Logan
Given Name
Emanuel
Middle Name
L.
Suffix
Jr.
Patent Date
October 19, 1982
Patent Number
4,354,699
Location
VA
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008