IP Library Assignment 043988/0433
Patent Assignment
Reel/Frame 043988/0433

Assignment of Assignor's Interest

Recorded: 2017-10-31 Pages: 9
Assignors
DRAY, DANNY LEE
Executed: 2016-10-31
CROWE, BRYAN ANTHONY
Executed: 2016-10-31
FITCH, DAVID ABRAHAM
Executed: 2016-10-31
SPROWLS, WILLIAM LEE
Executed: 2016-10-31
MOLLENKOPF, JOHN CHARLES
Executed: 2016-10-31
HOWELL, DUSTIN MICHAEL
Executed: 2016-10-31
Assignee
MARKWEST ENERGY PARTNERS, L.P.
1515 ARAPAHOE STREET, TOWER 1, SUITE 1600, DENVER, COLORADO, 80202
Covered Property (1)
Pig Ramp, System and Method
Application: 15/798,479 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jan 8, 2026
From: MARKWEST ENERGY PARTNERS, L.P.
To: MARKWEST ENERGY PARTNERS LLC
Reel/Frame 074289/0388 →