Granted Patent
Utility
US 5,388,380 · App. 07/912,310
Anchored/resilient sleeper for hardwood floor system
Inventor:
Michael W. Niese
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Jul 13, 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.