Granted Patent
Utility
US 5,992,686 · App. 09/032,404
Method and apparatus for dispensing liquids and solids
Inventors:
David J. Cline, Timothy S. Clark, Stephen P. Gordon, Michael R. Engle
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Feb 27, 1998
Inventors
David J. Cline
Timothy S. Clark
Stephen P. Gordon
Michael R. Engle
Assignee (at issue)
Fluid Research Corporation
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.