Granted Patent
Utility
US 6,497,834 · App. 09/744,095
Method of making a flow channel block
Inventors:
Richard David Vargo, Gary Robert Burg
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Jan 15, 2001
Inventors
Richard David Vargo
Gary Robert Burg
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER 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.