Granted Patent
Utility
US 5,000,286 · App. 07/394,135
Modular loudspeaker system
Inventors:
Tracy Eugene Crawford, Rogelio Delgado, Jr., Michael T. Oliver
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Aug 15, 1989
Inventors
Tracy Eugene Crawford
Rogelio Delgado, Jr.
Michael T. Oliver
Assignee (at issue)
KLIPSCH GROUP, 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.