Granted Patent
Utility
US 5,433,052 · App. 07/844,466
Kerfed hardwood floor system
Inventor:
Michael W. Niese
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Mar 2, 1992
Inventor
Michael W. Niese
Assignee (at issue)
Robbins, 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.