Granted Patent
Utility
US 5,258,939 · App. 07/774,628
Fold and decimate filter architecture
Inventors:
William F. Johnstone, David H. Damerow
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Oct 10, 1991
Inventors
William F. Johnstone
David H. Damerow
Assignee (at issue)
HARRIS 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.