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Inventors
ORVILLE
Francis D. Crichton
Main Entry
Francis D. Crichton
Patent Title
Flagstaff
Family Name
Crichton
Given Name
Francis
Middle Name
D.
Patent Date
February 25, 1919
Patent Number
1,295,274
Location
VA
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008