Granted Patent
Utility
US 6,764,720 · App. 09/858,865
High mass throughput particle generation using multiple nozzle spraying
Inventors:
David Y. H. Pui, Da-Ren Chen
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: May 16, 2001
Inventors
David Y. H. Pui
Da-Ren Chen
Assignee (at issue)
Regents of the University of Minnesota
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.