Granted Patent
Utility
US 6,775,880 · App. 10/042,603
Protectant application
Inventors:
Gary A. Kasper, Samuel Hansen, John L. Jansen, Phong H. Tran, Eric J. Hansen, Gabriel S. Vander Baan
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Jan 9, 2002
Inventors
Gary A. Kasper
Samuel Hansen
John L. Jansen
Phong H. Tran
Eric J. Hansen
Gabriel S. Vander Baan
Assignee (at issue)
BISSELL Homecare, 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.