US 8,450,250 K1 (3,309th)
Drag reduction of asphaltenic crude oils
Ray L. Johnston; Stuart N. Milligan; Timothy L. Burden; Kenneth W. Smith; Wayne R. Dreher, Jr.; and William F. Harris
Assigned to LIQUIDPOWER SPECIALTY PRODUCTS, INC.
Trial No. IPR2016-01905, Oct. 6, 2016
Inter Partes Review Certificate for Patent 8,450,250, issued May 28, 2013, Appl. No. 13/208,084, Aug. 11, 2011
Inter Partes Review Certificate issued Nov. 9, 2023