Granted Patent
Utility
US 5,406,474 · App. 08/096,599
Self-tuning controller
Inventor:
Peter D. Hansen
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Jul 22, 1993
Inventor
Peter D. Hansen
Assignee (at issue)
Fox Boro Company
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.