Granted Patent
Utility
US 6,761,822 · App. 10/035,439
Dual filter with flow mixer and centrifugal separator
Inventors:
Gregory K. Rhyne, Mark A. Roll, Willie L. Stamey, Jr., Johnny H. Wong
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Jan 4, 2002
Inventors
Gregory K. Rhyne
Mark A. Roll
Willie L. Stamey, Jr.
Johnny H. Wong
Assignee (at issue)
DANA LIMITED
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.