Granted Patent
Utility
US 5,341,663 · App. 08/096,575
Automatic process control and noise suppression
Inventor:
David J. Knapp
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Jul 23, 1993
Inventor
David J. Knapp
Assignee (at issue)
Aluminum Company of America
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.