Inventor · disambiguated record
David L. Shafer
Also filed as: SHAFER DAVID L · SHAFER DAVID LEE
6 granted patents·166 citations·filing 1997–2000
86Inventor score
Top patents by PatentIndex Score
6 records- 0180US5777043ASealant formulations containing high vinyl content hydrogenated styrene-butadiene-styrene block copolymersSHELL OIL CO·Filed 1997·Granted Jul 7, 1998·58 cites·3 claims
- 0278US6211272B1Polybutene/liquid polydiene hot melt adhesiveSHELL OIL CO·Filed 1999·Granted Apr 3, 2001·36 cites·7 claims
- 0375US5925707AOil gel formulations containing high vinyl content hydrogenated styrene-butadiene-styrene block copolymersSHELL OIL CO·Filed 1997·Granted Jul 20, 1999·32 cites·4 claims
- 0461US6457560B1Gear box oil pumping systemMAGIC CIRCLE CORP·Filed 2000·Granted Oct 1, 2002·13 cites·6 claims
- 0559US6370855B1Grass blower for lawn mowerMAGIC CIRCLE CORP·Filed 2000·Granted Apr 16, 2002·14 cites·2 claims
- 0651USH1735HEPDM roofing membrane adhesive system based on hydrogenated styrene-diene-styrene block copolymersSHELL OIL CO·Filed 1997·Granted Jun 2, 1998·13 cites·4 claims
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