Granted Patent
Utility
US 6,079,957 · App. 09/193,558
Soft start valve
Inventor:
James E. Jirele
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Nov 17, 1998
Inventor
James E. Jirele
Assignee (at issue)
SPX 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.