Granted Patent
Utility
US 5,993,149 · App. 08/782,337
Variable area compensation valve
Inventor:
Jan P. Smed
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Jan 13, 1997
Inventor
Jan P. Smed
Assignee (at issue)
Siemens Westinghouse Power 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.