David N. Crosthwait, Jr.

Main Entry
David N. Crosthwait, Jr.
Patent Title
Discharge Valve
Family Name
Crosthwait
Given Name
David
Middle Name
N.
Suffix
Jr.
Patent Date
March 3, 1942
Patent Number
2,275,132
Location
IL
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008