Granted Patent
Utility
US 4,917,271 · App. 07/258,208
Liquid dispensing nozzle assembly with filter
Inventors:
Rowland W. Kanner, Joseph V. Ranalletta, Gregory P. Kracher, Alan Parker
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Oct 7, 1988
Inventors
Rowland W. Kanner
Joseph V. Ranalletta
Gregory P. Kracher
Alan Parker
Assignees (at issue)
RYDER INTERNATIONAL CO., LTD.
pK Scientific Inc.
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.