Granted Patent
Utility
US 6,619,321 · App. 09/931,337
Stream switching system
Inventors:
Kenneth E. Reid, II, Frank Ruiz
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Aug 16, 2001
Inventors
Kenneth E. Reid, II
Frank Ruiz
Assignee (at issue)
Parker-Hannifin 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.