Granted Patent
Utility
US 5,846,658 · App. 08/468,849
Methods of preparing three-dimensional, macroscopic assemblages of carbon fibrils and the products obtained thereby
Inventors:
Howard Tennent, Robert W. Hausslein, Nicholas Leventis, David Moy
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Jun 6, 1995
Inventors
Howard Tennent
Robert W. Hausslein
Nicholas Leventis
David Moy
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.