Granted Patent
Utility
US 6,751,955 · App. 10/393,052
Stirling engine with swashplate actuator
Inventor:
William H. Houtman
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Mar 20, 2003
Inventor
William H. Houtman
Assignee (at issue)
STM Power, Inc.
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.