Granted Patent
Utility
US 6,090,959 · App. 09/146,166
Method of producing fatty acid lower alkylester from fat and oil
Inventors:
Takenori Hirano, Keiichi Tsuto
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Sep 3, 1998
Inventors
Takenori Hirano
Keiichi Tsuto
Assignee (at issue)
Lonford Development Limited
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.