Skip to main content
Advanced search
Browse
Inventors
ORVILLE
David N. Crosthwait, Jr.
Main Entry
David N. Crosthwait, Jr.
Patent Title
Generating Mixed Fluid Heating Medium
Family Name
Crosthwait
Given Name
David
Middle Name
N.
Suffix
Jr.
Patent Date
August 15, 1939
Patent Number
2,169,683
Location
IL
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008