Granted Patent
Utility
US 5,383,851 · App. 07/920,106
Needleless hypodermic injection device
Inventors:
Charles N. McKinnon, Jr., Steven F. Peterson, Paul Edward Smith, JR., Takaaki Nakagawa, Victor L. Bartholomew
Patented Case
View Patent ↗
Granted: Jan 24, 1995
Filed: Jul 24, 1992
Inventors
Charles N. McKinnon, Jr.
Steven F. Peterson
Paul Edward Smith, JR.
Takaaki Nakagawa
Victor L. Bartholomew
Assignee (at issue)
Bioject 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.