Assignee
NORTON ALCOA PROPPANTS
US·2 granted patents·235 citations·filing 1989–1989
Top patents by PatentIndex Score
2 records- 0194US4921820ALightweight proppant for oil and gas wells and methods for making and using sameNORTON ALCOA PROPPANTS·Filed 1989·Granted May 1, 1990·138 cites·21 claims
- 0292US4921821ALightweight oil and gas well proppants and methods for making and using sameNORTON ALCOA PROPPANTS·Filed 1989·Granted May 1, 1990·97 cites·23 claims
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