Granted Patent
Utility
US 5,862,788 · App. 08/943,192
Combustion chamber for direct injected reciprocating piston internal combustion engine
Inventors:
Andrew A. Pouring, Carlo Leto di Priolo
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Oct 3, 1997
Inventors
Andrew A. Pouring
Carlo Leto di Priolo
Assignee (at issue)
SONEX RESEARCH, INC
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.