Granted Patent
Utility
US 4,950,152 · App. 07/279,662
Apparatus for producing preforms and blow molded articles
Inventors:
Charles J. Brun, Jr., Anthony F. Newport
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Dec 5, 1988
Inventors
Charles J. Brun, Jr.
Anthony F. Newport
Assignee (at issue)
Electra Form, 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.