Assignee
SUBSURFACE TECHNOLOGY CORP
US·3 granted patents·45 citations·filing 1992–1995
Top patents by PatentIndex Score
3 records- 0162US5334336AMethod of forming porous pipe using a blowing agent carrier componentSUBSURFACE TECHNOLOGY CORP·Filed 1992·Granted Aug 2, 1994·20 cites·18 claims
- 0256US5660209APorous pipe and process for producing sameSUBSURFACE TECHNOLOGY CORP·Filed 1995·Granted Aug 26, 1997·16 cites·13 claims
- 0340US5462092APorous pipe and process for producing sameSUBSURFACE TECHNOLOGY CORP·Filed 1994·Granted Oct 31, 1995·9 cites·20 claims
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