Granted Patent
Utility
US 6,503,856 · App. 09/730,283
Carbon fiber sheet materials and methods of making and using the same
Inventors:
Andrew Broadway, Gordon L. Brown, Jr., David Brian Barr
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Dec 5, 2000
Inventors
Andrew Broadway
Gordon L. Brown, Jr.
David Brian Barr
Assignees (at issue)
Hexcel Corporation
Clark-Schwebel Tech-Fab 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.