Granted Patent
Utility
US 6,167,668 · App. 09/227,563
Finished flooring underlayment and method of making same
Inventors:
Steve B. Fine, Francis Quinn
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Jan 8, 1999
Inventors
Steve B. Fine
Francis Quinn
Assignee (at issue)
Laticrete International, 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.