Granted Patent
Utility
US 5,540,903 · App. 08/336,141
Process for producing solvated mesophase pitch and carbon artifacts thereof
Inventor:
Hugh E. Romine
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Nov 8, 1994
Inventor
Hugh E. Romine
Assignee (at issue)
Conoco 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.