Granted Patent
Utility
US 6,758,188 · App. 10/340,186
Continuous torque inverse displacement asymmetric rotary engine
Inventor:
Joseph B. Wooldridge
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Jan 10, 2003
Inventor
Joseph B. Wooldridge
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.