Granted Patent
Utility
US 6,267,634 · App. 09/390,880
Propeller flare
Inventors:
Michael J. Ewald, Daniel J. Kreul, Cy Werda
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Sep 7, 1999
Inventors
Michael J. Ewald
Daniel J. Kreul
Cy Werda
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.