Granted Patent
Utility
US 6,355,338 · App. 09/488,868
Continuous composite coextrusion methods, apparatuses, and compositions
Inventors:
Gregory E. Hilmas, Dustin Beeaff, Anthony C. Mulligan, Mark Opeka, Mark J. Rigali, Manish Sutaria
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Jan 21, 2000
Inventors
Gregory E. Hilmas
Dustin Beeaff
Anthony C. Mulligan
Mark Opeka
Mark J. Rigali
Manish Sutaria
Assignee (at issue)
Advanced Ceramics Research, 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.