Granted Patent
Utility
US 4,775,655 · App. 06/930,926
Porous carbon structures and methods for their preparation
Inventors:
Christopher J. Edwards, David A. Hitchen, Martin Sharples
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Nov 17, 1986
Inventors
Christopher J. Edwards
David A. Hitchen
Martin Sharples
Assignee (at issue)
Internationale Otrool Maatschappij Octropa B.V.
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.