Granted Patent
Utility
US 4,642,547 · App. 06/766,491
Adaptive regulation system for a linear alternator driven by a free-piston stirling engine
Inventor:
Robert W. Redlich
Patented Case
View Patent ↗
Granted: Feb 10, 1987
Filed: Aug 19, 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.