Granted Patent
Utility
US 6,506,482 · App. 09/317,285
Vitreous carbon composite and method of making and using same
Inventors:
Ralph A. Burton, Ralph G. Burton
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: May 24, 1999
Inventors
Ralph A. Burton
Ralph G. Burton
Assignee (at issue)
Carbon Ceramics Company, LLC
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.