Granted Patent
Utility
US 6,644,364 · App. 10/088,150
Article comprising a multi-channel dispensing head
Inventor:
Ilya Feygin
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Mar 13, 2002
Inventor
Ilya Feygin
Assignee (at issue)
PHARMACOPEIA, LLC
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.