IP Library › Granted Patent US 4,428,306
Granted Patent Utility
US 4,428,306 · App. 06/310,052

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Inventors: William L. Dresen, William F. Price, Harlan W. Breezer
Patented Case View Patent ↗
Granted: Jan 31, 1984 Filed: Oct 9, 1981
Inventors
William L. Dresen
William F. Price
Harlan W. Breezer
Assignee (at issue)
Penda Corporation

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Quick Facts
Patent No.
US 4,428,306
App. No.
06/310,052
Filed
1981-10-09
Granted
1984-01-31
Kind
A