IP Library › Granted Patent US 5,082,557
Granted Patent Utility
US 5,082,557 · App. 07/503,154

Control head for water purifier

Inventors: John R. Grayson, David Pettinato
Patented Case View Patent ↗
Granted: Jan 21, 1992 Filed: Apr 2, 1990
Inventors
John R. Grayson
David Pettinato
Assignee (at issue)
RainSoft Water Conditioning Co.

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Quick Facts
Patent No.
US 5,082,557
App. No.
07/503,154
Filed
1990-04-02
Granted
1992-01-21
Kind
A