Granted Patent
Utility
US 4,600,457 · App. 06/670,564
Method and resin solution for splicing carbonized polyacrylonitrile material
Inventors:
Raymond G. Spain, James E. Massie
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Nov 13, 1984
Inventors
Raymond G. Spain
James E. Massie
Assignee (at issue)
HITCO, 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.