Individual holder
DONDELEWSKI MICHAEL A
3 granted patents·75 citations·filing 1980–1981
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0180US4391608AProcess for the beneficiation of carbonous materials with the aid of ultrasoundDONDELEWSKI MICHAEL A·Filed 1981·Granted Jul 5, 1983·44 cites·7 claims
- 0276US4357145ACarbonaceous pellets and method of makingDONDELEWSKI MICHAEL A·Filed 1981·Granted Nov 2, 1982·25 cites·4 claims
- 0338US4385995AMethod of recovering and using fine coalDONDELEWSKI MICHAEL A·Filed 1980·Granted May 31, 1983·6 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →