Granted Patent
Utility
US 6,620,135 · App. 09/763,399
Needleless injectors
Inventors:
Terence Edward Weston, Graham Gibbins, Matthew Simon Nussey
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Mar 23, 2001
Inventors
Terence Edward Weston
Graham Gibbins
Matthew Simon Nussey
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.