Granted Patent
Utility
US 5,500,901 · App. 08/287,720
Frequency response adjusting device
Inventors:
Michael P. Geraci, Donald R. Hagen, Arman E. Sundquist
Patented Case
View Patent ↗
Granted: Mar 19, 1996
Filed: Aug 9, 1994
Inventors
Michael P. Geraci
Donald R. Hagen
Arman E. Sundquist
Assignee (at issue)
Resistance 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.