Granted Patent
Utility
US 5,568,560 · App. 08/439,351
Audio crossover circuit
Inventor:
Christopher Combest
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: May 11, 1995
Inventor
Christopher Combest
Assignee (at issue)
Multi Service Corporation
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.