Inventor · disambiguated record
Harold N. Hedrick
Also filed as: HEDRICK HAROLD N
2 granted patents·26 citations·filing 1981–1983
60Inventor score
Files withAMERICAN PETRO MART INC2
Top patents by PatentIndex Score
2 records- 0158US4385993AMethod and apparatus for folded moving bed ion exchange systemAMERICAN PETRO MART INC·Filed 1981·Granted May 31, 1983·18 cites·11 claims
- 0249US4493907AMethod of using higher concentration sulfuric acid for stripping and precipitation of adsorbed magnesiumAMERICAN PETRO MART INC·Filed 1983·Granted Jan 15, 1985·8 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →