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Inventors
ORVILLE
Mildred E. Smith
Main Entry
Mildred E. Smith
Patent Title
Family relationships card game
Family Name
Smith
Given Name
Mildred
Middle Name
E.
Patent Date
October 28, 1980
Patent Number
4,230,321
Location
DC
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008