Granted Patent
Utility
US 4,583,364 · App. 06/766,793
Piston centering method and apparatus for free-piston Stirling engines
Inventor:
James Gary Wood
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Aug 19, 1985
Inventor
James Gary Wood
Assignee (at issue)
SUNPOWER 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.