Granted Patent
Utility
US 6,421,379 · App. 09/320,041
Digital filter with adaptive coefficients
Inventors:
Louis J. Vannatta, William P. Alberth, Jr., Terrie L. Frane
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: May 26, 1999
Inventors
Louis J. Vannatta
William P. Alberth, Jr.
Terrie L. Frane
Assignee (at issue)
Motorola, 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.