Granted Patent
Utility
US 5,673,821 · App. 08/438,222
Dispensing device for two fluid materials
Inventors:
Adrian Davis, Willy Lorscheidt, David Wilkins
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: May 9, 1995
Inventors
Adrian Davis
Willy Lorscheidt
David Wilkins
Assignee (at issue)
SmithKline Beeacham P.L.C.
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.