Skip to main content
Advanced search
Browse
Inventors
ORVILLE
Charles M. Blackburn
Main Entry
Charles M. Blackburn
Patent Title
Pressure Switch
Family Name
Blackburn
Given Name
Charles
Middle Name
M.
Patent Date
February 12, 1963
Patent Number
3,077,524
Location
MD
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008