Granted Patent
Utility
US 4,476,708 · App. 06/440,816
Flow controller
Inventors:
Kenneth J. Baker, Keith E. Buck, Irving C. Chase, Robert B. Fraser, Clive Miles
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Nov 12, 1982
Inventors
Kenneth J. Baker
Keith E. Buck
Irving C. Chase
Robert B. Fraser
Clive Miles
Assignee (at issue)
Thoratec Laboratories 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.