Inventor · disambiguated record
Harold J. Heinen
Also filed as: HEINEN HAROLD J
4 granted patents·160 citations·filing 1977–1980
80Inventor score
Files withUS INTERIOR4
Top patents by PatentIndex Score
4 records- 0194US4256706ALeaching agglomerated gold - silver oresUS INTERIOR·Filed 1980·Granted Mar 17, 1981·86 cites·7 claims
- 0292US4256705ALeaching agglomerated gold - silver oresUS INTERIOR·Filed 1980·Granted Mar 17, 1981·55 cites·7 claims
- 0373US4208378ADesorption of gold from activated carbonUS INTERIOR·Filed 1977·Granted Jun 17, 1980·15 cites·5 claims
- 0445US4072587ASeparate recovery of silver and gold from cyanide solutionsUS INTERIOR·Filed 1977·Granted Feb 7, 1978·4 cites·2 claims
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