Granted Patent
Utility
US 5,832,881 · App. 08/671,357
Supplementary port for two stroke engine
Inventors:
Stephen John Karay, Kenneth P. Seeber
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Jun 27, 1996
Inventors
Stephen John Karay
Kenneth P. Seeber
Assignee (at issue)
Orbital Engine Company (Australia) Pty Limited
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.