Granted Patent
Utility
US 6,541,049 · App. 09/789,057
Method for production of arachidonic acid
Inventor:
William R. Barclay
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Feb 19, 2001
Inventor
William R. Barclay
Assignee (at issue)
Martek Biosciences Boulder Corporation
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.