Granted Patent
Utility
US 5,908,013 · App. 09/156,121
Two-cycle engine
Inventor:
William C. Dyess
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Sep 17, 1998
Inventor
William C. Dyess
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.