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Inventors
ORVILLE
Emanuel L. Logan, Jr.
Main Entry
Emanuel L. Logan, Jr.
Patent Title
Emergency Exit Indicators
Family Name
Logan
Given Name
Emanuel
Middle Name
L.
Suffix
Jr.
Patent Date
December 18, 1984
Patent Number
4,489,308
Location
VA
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008