DS

David L. Shafer

Shell Oil Compny: 4 patents #842 of 4,423Top 20%
MC Magic Circle: 2 patents #2 of 4Top 50%
Overall (All Time): #881,670 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6457560 Gear box oil pumping system Arthur Leon Evans, Brad E. Church, Duane R. Summerlot 2002-10-01
6370855 Grass blower for lawn mower Arthur Leon Evans, Brad E. Church, Duane R. Summerlot 2002-04-16
6211272 Polybutene/liquid polydiene hot melt adhesive David R. Hansen, Larry McArthur Kegley, James R. Erickson 2001-04-03
5925707 Oil gel formulations containing high vinyl content hydrogenated styrene-butadiene-styrene block copolymers Glenn R. Himes, Michael J. Modic 1999-07-20
5777043 Sealant formulations containing high vinyl content hydrogenated styrene-butadiene-styrene block copolymers Linda Oliveri, Glenn R. Himes 1998-07-07
H1735 EPDM roofing membrane adhesive system based on hydrogenated David R. Hansen 1998-06-02