Granted Patent
Utility
US 5,884,494 · App. 08/924,229
Oil flow protection scheme
Inventors:
Ronald W. Okoren, Sean A. Smith, Daniel C. Leaver, John R. Moilanen, Paul D. Ulland, Michael D. Carey
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Sep 5, 1997
Inventors
Ronald W. Okoren
Sean A. Smith
Daniel C. Leaver
John R. Moilanen
Paul D. Ulland
Michael D. Carey
Assignee (at issue)
American Standard 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.