Granted Patent
Utility
US 4,767,279 · App. 07/057,514
Fluid composition and volumetric delivery control
Inventors:
Theodore A. Dourdeville, David L. Trumper
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: Jun 20, 1987
Inventors
Theodore A. Dourdeville
David L. Trumper
Assignee (at issue)
Millipore 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.