WS

William Lee Sprowls

MP Markwest Energy Partners: 6 patents #1 of 8Top 15%
📍 Washington, PA: #108 of 552 inventorsTop 20%
🗺 Pennsylvania: #13,581 of 74,527 inventorsTop 20%
Overall (All Time): #829,847 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10655774 Pig ramp, system and method Danny Lee Dray, Bryan Anthony Crowe, David Abraham Fitch, John Charles Mollenkopf, Dustin Michael Howell 2020-05-19
10408377 Pig ramp, system and method Danny Lee Dray, Bryan Anthony Crowe, David Abraham Fitch, John Charles Mollenkopf, Dustin Michael Howell 2019-09-10
10197206 Pig ramp, system and method Danny Lee Dray, Bryan Anthony Crowe, David Abraham Fitch, John Charles Mollenkopf, Dustin Michael Howell 2019-02-05
10094508 Pig ramp, system and method Danny Lee Dray, Bryan Anthony Crowe, David Abraham Fitch, John Charles Mollenkopf, Dustin Michael Howell 2018-10-09
10012340 Pig ramp, system and method Danny Lee Dray, Bryan Anthony Crowe, David Abraham Fitch, John Charles Mollenkopf, Dustin Michael Howell 2018-07-03
10001240 Pig ramp, system and method Danny Lee Dray, Bryan Anthony Crowe, David Abraham Fitch, John Charles Mollenkopf, Dustin Michael Howell 2018-06-19