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Inventors
ORVILLE
David N. Crosthwait, Jr.
Main Entry
David N. Crosthwait, Jr.
Patent Title
Balanced Resistance Type Temperature Control
Family Name
Crosthwait
Given Name
David
Middle Name
N.
Suffix
Jr.
Patent Date
December 2, 1947
Patent Number
2,431,790
Location
IL
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008