Granted Patent
Utility
US 6,158,409 · App. 08/952,704
Two-stroke engine piston bowl configurations
Inventors:
George T. Gillespie, Peter W. Brown, Francis A. McGinnity, Theodore J. Holtermann, Robert L. Niemchick, Erik R. Jorgensen, Gregory J. Binversie, Paul W. Breckenfeld, Wolfram Hellmich
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Nov 19, 1997
Inventors
George T. Gillespie
Peter W. Brown
Francis A. McGinnity
Theodore J. Holtermann
Robert L. Niemchick
Erik R. Jorgensen
Gregory J. Binversie
Paul W. Breckenfeld
Wolfram Hellmich
Assignee (at issue)
Outboard Marine 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.