Granted Patent
Utility
US 6,322,152 · App. 09/863,774
Method of making a toothbrush
Inventors:
Alan Trojanowski, Ruby E. Kirkup, Richard M. Prospero
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: May 23, 2001
Inventors
Alan Trojanowski
Ruby E. Kirkup
Richard M. Prospero
Assignee (at issue)
McNeil-PPC, 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.