IP Library Assignment 009230/0752
Patent Assignment
Reel/Frame 009230/0752

Assignment of Assignor's Interest

Recorded: 1998-05-22 Pages: 3
Assignors
WILT, BRIAN K.
Executed: 1998-05-21
WELCH, WILLIAM T.
Executed: 1998-05-21
Assignee
MARATHON ASHLAND PETROLEUM LLC
539 SOUTH MAIN STREET, FINDLAY, OHIO, 45840
Covered Property (1)
Process for Analysis of Asphaltene Content in Hydrocarbon Mixtures by Middle Infrared Spectroscopy
Patent: 6,087,662 →
Application: 09/083,913 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 15, 2005
From: MARATHON ASHLAND PETROLEUM LLC
To: MARATHON PETROLEUM COMPANY LLC
Reel/Frame 016536/0297 →
Conversion Dec 7, 2010
From: MARATHON PETROLEUM COMPANY LLC
To: MARATHON PETROLEUM COMPANY LP
Reel/Frame 025445/0896 →