Granted Patent
Utility
US 6,586,065 · App. 09/319,043
Capillary having coated inner wall
Inventors:
Hiroyuki Katayama, Yasushi Ishihama
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Jun 1, 1999
Inventors
Hiroyuki Katayama
Yasushi Ishihama
Assignee (at issue)
Eisai Inc.
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.