Granted Patent
Utility
US 5,865,091 · App. 08/892,365
Piston assembly for stirling engine
Inventors:
Christopher Domanski, William H. Houtman, Benjamin Ziph
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Jul 14, 1997
Inventors
Christopher Domanski
William H. Houtman
Benjamin Ziph
Assignee (at issue)
STM 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.