Granted Patent
Utility
US 4,330,992 · App. 06/140,127
Drive mechanism for Stirling engine displacer and other reciprocating bodies
Inventor:
James R. Senft
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Apr 11, 1980
Inventor
James R. Senft
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.