Granted Patent
Utility
US 5,212,660 · App. 07/760,324
Digital filter having a switching matrix and adders
Inventor:
Junichi Orihara
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Sep 16, 1991
Inventor
Junichi Orihara
Assignee (at issue)
Kawasaki Steel 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.