Granted Patent
Utility
US 6,602,703 · App. 10/195,260
Photobioreactor
Inventor:
Frédéric Dutil
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Jul 12, 2002
Inventor
Frédéric Dutil
Assignee (at issue)
CO
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.