Granted Patent
Utility
US 6,035,476 · App. 09/335,232
Brushhead for a toothbrush
Inventors:
Kevin T. Underwood, Stephen M. Meginniss, III, Steven R. Henrikson
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Jun 17, 1999
Inventors
Kevin T. Underwood
Stephen M. Meginniss, III
Steven R. Henrikson
Assignee (at issue)
Optiva, 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.