Granted Patent
Utility
US 6,051,631 · App. 09/095,206
Process for treating fluid streams
Inventor:
John D. Hottovy
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Jun 10, 1998
Inventor
John D. Hottovy
Assignee (at issue)
Phillips Petroleum Company
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.