Granted Patent
Utility
US 6,359,992 · App. 08/795,545
Acoustics conditioner
Inventors:
David A. Preves, Robert L. Millier, Lawrence T. Hagen, Ning Shen
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Feb 6, 1997
Inventors
David A. Preves
Robert L. Millier
Lawrence T. Hagen
Ning Shen
Assignee (at issue)
Micro Ear Technology, 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.