Granted Patent
Utility
US 5,887,985 · App. 08/899,689
Wear-resistant bearings
Inventors:
Howard M. Loree, II, David B. Gernes, Anthony J. Armini, Dennis A. Gadarowski
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jul 24, 1997
Inventors
Howard M. Loree, II
David B. Gernes
Anthony J. Armini
Dennis A. Gadarowski
Assignee (at issue)
Thermo Cardiosystems, 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.