Granted Patent
Utility
US 5,480,381 · App. 08/199,198
Needle-less injector
Inventor:
Terence Edward Weston
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Aug 4, 1994
Inventor
Terence Edward Weston
Assignee (at issue)
Weston Medical Limited
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.