Individual holder
POLSTON DAVID L
4 granted patents·35 citations·filing 2002–2006
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0186US7371277B2Method for making a road base material using treated oil and gas waste materialPOLSTON DAVID L·Filed 2006·Granted May 13, 2008·11 cites·14 claims
- 0273US7276114B2Method for making a road base material using treated oil and gas waste materialPOLSTON DAVID L·Filed 2006·Granted Oct 2, 2007·10 cites·19 claims
- 0371US7118624B2Method for making a road base material using treated oil and gas waste materialPOLSTON DAVID L·Filed 2004·Granted Oct 10, 2006·10 cites·10 claims
- 0457US7232482B2Method for making a road base material using treated oil and gas waste materialPOLSTON DAVID L·Filed 2002·Granted Jun 19, 2007·4 cites·2 claims
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