Granted Patent
Utility
US 6,117,658 · App. 09/023,029
Methods of making polyhydroxyalkanoates comprising 4-hydroxybutyrate monomer units
Inventors:
Douglas E. Dennis, Henry Valentin
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Feb 12, 1998
Inventors
Douglas E. Dennis
Henry Valentin
Assignee (at issue)
James Madison University
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.