Granted Patent
Utility
US 5,538,641 · App. 08/365,665
Process for recycling laden fluids
Inventors:
Heather L. Getty, Michael S. Cypher, David P. Hatz, Paul L. Miller
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Dec 29, 1994
Inventors
Heather L. Getty
Michael S. Cypher
David P. Hatz
Paul L. Miller
Assignee (at issue)
Global Environmental Solutions, 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.