Granted Patent
Utility
US 6,682,667 · App. 10/067,953
Method for producing self-supporting activated carbon structures
Inventor:
Thomas M. Matviya
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Feb 5, 2002
Inventor
Thomas M. Matviya
Assignee (at issue)
CALGON CARBON CORPORATION
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.