Granted Patent
Utility
US 4,602,174 · App. 06/720,004
Electromechanical transducer particularly suitable for a linear alternator driven by a free-piston stirling engine
Inventor:
Robert W. Redlich
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Apr 4, 1985
Inventor
Robert W. Redlich
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.