Granted Patent
Utility
US 6,652,439 · App. 09/909,601
Disposable rotor shell with integral molded spiral vanes
Inventors:
Peter K. Herman, Kevin C. South, Hendrik N. Amirkhanian, Richard Jensen
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jul 20, 2001
Inventors
Peter K. Herman
Kevin C. South
Hendrik N. Amirkhanian
Richard Jensen
Assignee (at issue)
Fleetguard, 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.