Inventor · disambiguated record
Donald A. Dahlstrom
Also filed as: DAHLSTROM DONALD A
3 granted patents·51 citations·filing 1975–1980
71Inventor score
Files withENVIROTECH CORP3
Top patents by PatentIndex Score
3 records- 0175US4147756ACombustion gas scrubbing systemENVIROTECH CORP·Filed 1976·Granted Apr 3, 1979·33 cites·23 claims
- 0243US3989464ASulfur dioxide scrubbing systemENVIROTECH CORP·Filed 1975·Granted Nov 2, 1976·13 cites·11 claims
- 0330US4342638AFlashed-down residue treatment including filtering and solvent repulpingENVIROTECH CORP·Filed 1980·Granted Aug 3, 1982·5 cites·1 claims
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