Granted Patent
Utility
US 5,938,207 · App. 08/893,965
Heat engine rod seal system
Inventors:
Nicholas R. Marchionna, Matthew J. Brusstar
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Jul 16, 1997
Inventors
Nicholas R. Marchionna
Matthew J. Brusstar
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.