Individual holder
LEVINGSTON JERRY C
US·3 granted patents·113 citations·filing 1993–2000
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0185US6105649APipe extrusion apparatus including winding a hollow profileLEVINGSTON JERRY C·Filed 1998·Granted Aug 22, 2000·64 cites·13 claims
- 0284US6488802B1Pipe extrusion processLEVINGSTON JERRY C·Filed 2000·Granted Dec 3, 2002·31 cites·16 claims
- 0349US5362114APipe joint and method for forming same for threaded connection of profile pipeLEVINGSTON JERRY C·Filed 1993·Granted Nov 8, 1994·18 cites·18 claims
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