Granted Patent
Utility
US 6,283,152 · App. 09/259,846
Multiple sleeve valve assembly
Inventors:
Bobby Corte, Jr., Kane J. Corte
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Mar 1, 1999
Inventors
Bobby Corte, Jr.
Kane J. Corte
Assignee (at issue)
Cor-Val, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.