Granted Patent
Utility
US 6,367,776 · App. 09/296,115
Flow control device and apparatus for mounting same
Inventors:
Harry G. Lippert, Vernon J. Krupa, John A. Ulcej
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Apr 21, 1999
Inventors
Harry G. Lippert
Vernon J. Krupa
John A. Ulcej
Assignee (at issue)
Extrusion Dies, Inc.
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.