WS

William Lee Sprowls

MP Markwest Energy Partners: 3 patents #1 of 7Top 15%
📍 Washington, PA: #3 of 42 inventorsTop 8%
🗺 Pennsylvania: #608 of 7,336 inventorsTop 9%
Overall (2018): #52,349 of 503,207Top 15%
3
Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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