US 8,426,498 K1 (3,308th)
	Drag reduction of asphaltenic crude oils
Ray L. Johnston; Wayne R. Dreher, Jr.; William F. Harris; Stuart N. Milligan; Timothy L. Burden; and Kenneth W. Smith
Assigned to LIQUIDPOWER SPECIALTY PRODUCTS, INC.
Trial No. IPR2016-01903, Oct. 6, 2016
Inter Partes Review Certificate for Patent 8,426,498, issued Apr. 23, 2013, Appl. No. 13/208,139, Aug. 11, 2011
Inter Partes Review Certificate issued Nov. 9, 2023