Granted Patent
Utility
US 6,143,689 · App. 08/469,430
Methods and catalysts for the manufacture of carbon fibrils
Inventors:
David Moy, Asif Chishti
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Jun 6, 1995
Inventors
David Moy
Asif Chishti
Assignee (at issue)
Hyperion Catalysis Int'l 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.