Individual holder
JOHNSON DONALD A
1 granted patent·1 pending application·6 citations·filing 1982–2008
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0152US2009277841A1Method for minimizing corrosion, scale, and water consumption in cooling tower systemsJOHNSON DONALD A·Filed 2008·Application pending·0 cites
- 0229US4434059APolymers for prevention of fouling by iron oxides in cooling systemsJOHNSON DONALD A·Filed 1982·Granted Feb 28, 1984·6 cites·4 claims
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