Granted Patent
Utility
US 6,059,034 · App. 09/085,416
Formation treatment method using deformable particles
Inventors:
Allan R. Rickards, Harold Dean Brannon, Philip Rae, Gino DiLullo, Christopher John Stephenson
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: May 27, 1998
Inventors
Allan R. Rickards
Harold Dean Brannon
Philip Rae
Gino DiLullo
Christopher John Stephenson
Assignee (at issue)
BJ SERVICES, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.