Granted Patent
Utility
US 6,091,790 · App. 09/074,822
Control element assembly position system
Inventor:
Charles F. Ridolfo
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: May 8, 1998
Inventor
Charles F. Ridolfo
Assignee (at issue)
Combustion Engineering, 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.