Granted Patent
Utility
US 6,194,041 · App. 08/654,569
Methods and apparatus for injection molding and injection blow molding multi-layer articles, and the articles made thereby
Inventors:
Robert J. McHenry, Henry Pfutzenreuter, III, Thomas T. Tung, John Vella, Jr.
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: May 29, 1996
Inventors
Robert J. McHenry
Henry Pfutzenreuter, III
Thomas T. Tung
John Vella, Jr.
Assignee (at issue)
American National Can 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.