Granted Patent
Utility
US 6,599,599 · App. 09/639,215
Underlayment composite and associated flooring installation system
Inventors:
Michael E. Buckwater, William J. Kauffman
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Aug 15, 2000
Inventors
Michael E. Buckwater
William J. Kauffman
Assignee (at issue)
AWI Licensing LLC
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.