Assignee
WAHLBERG ARVO
FI·3 granted patents·33 citations·filing 1984–1986
Top patents by PatentIndex Score
3 records- 0154US4804401AMethod of producing a phosphorus fertilizer soil conditionerWAHLBERG ARVO·Filed 1986·Granted Feb 14, 1989·12 cites·14 claims
- 0244US4571254AMethod for producing fertilizer from tree ash and softwood bark or from other tree wasteWAHLBERG ARVO·Filed 1984·Granted Feb 18, 1986·11 cites·12 claims
- 0338US4710219AProduction method of combined phosphorus fertilizer and soil conditionerWAHLBERG ARVO·Filed 1986·Granted Dec 1, 1987·10 cites·13 claims
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