Granted Patent
Utility
US 4,174,618 · App. 05/892,537
Decoupled cascade control system
Inventors:
Theron W. Jenkins, Jr., Justus C. Barber
Patented Case
View Patent ↗
Granted: Nov 20, 1979
Filed: Apr 3, 1978
Inventors
Theron W. Jenkins, Jr.
Justus C. Barber
Assignee (at issue)
Leeds & Northrup 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.