IP Library › Granted Patent US 4,964,976
Granted Patent Utility
US 4,964,976 · App. 07/473,142

Optimized filter and method

Inventors: Michael J. Lysaght, Daniel R. Boggs, Philip L. Ritger
Patented Case View Patent ↗
Granted: Oct 23, 1990 Filed: Feb 1, 1990
Inventors
Michael J. Lysaght
Daniel R. Boggs
Philip L. Ritger

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Quick Facts
Patent No.
US 4,964,976
App. No.
07/473,142
Filed
1990-02-01
Granted
1990-10-23
Kind
A