Granted Patent
Utility
US 5,985,200 · App. 08/989,449
Injection molding of asphalt-based compositions
Inventors:
Donn R. Vermilion, Jorge A. Marzari, Frederick H. Ponn, Doug Kuhlmann
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Dec 12, 1997
Inventors
Donn R. Vermilion
Jorge A. Marzari
Frederick H. Ponn
Doug Kuhlmann
Assignee (at issue)
Owens-Corning Fiberglas Technology, 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.