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Inventors
ORVILLE
William F. Cosgrove
Main Entry
William F. Cosgrove
Patent Title
Automatic Stop Plug for Gas and Oil Pipes
Family Name
Cosgrove
Given Name
William
Middle Name
F.
Patent Date
March 17, 1885
Patent Number
313,993
Location
NJ
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008