Granted Patent
Utility
US 6,277,409 · App. 09/502,596
Protective coating for tablet
Inventors:
Joseph R. Luber, Frank J. Bunick
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Feb 11, 2000
Inventors
Joseph R. Luber
Frank J. Bunick
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.