Granted Patent
Utility
US 6,524,842 · App. 09/608,368
Biodegradation of gasoline oxygenates
Inventors:
Simon Vainberg, Robert Jon Steffan
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Jun 30, 2000
Inventors
Simon Vainberg
Robert Jon Steffan
Assignee (at issue)
Envirogen, 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.