Granted Patent
Utility
US 4,623,808 · App. 06/720,005
Electromechanical transducer particularly suitable for a linear alternator driven by a free-piston Stirling engine
Inventors:
William T. Beale, Christopher G. Scheck
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Apr 4, 1985
Inventors
William T. Beale
Christopher G. Scheck
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.