Granted Patent
Utility
US 6,493,896 · App. 09/621,034
Brush head positioning system
Inventors:
William Randall Stuchlik, Lenard Deiterman, Marvin Curtis, Gerald Courtney, James Keazer
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Jul 21, 2000
Inventors
William Randall Stuchlik
Lenard Deiterman
Marvin Curtis
Gerald Courtney
James Keazer
Assignee (at issue)
Alto U.S. 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.