Granted Patent
Utility
US 5,837,656 · App. 08/611,170
Well treatment fluid compatible self-consolidating particles
Inventors:
A. Richard Sinclair, Richard L. Johnson, Richard A. Rediger, Van T. Smith
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Mar 5, 1996
Inventors
A. Richard Sinclair
Richard L. Johnson
Richard A. Rediger
Van T. Smith
Assignees (at issue)
Santrol, Inc.
GEORGIA-PACIFIC RESINS, INC.
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.