Granted Patent
Utility
US 4,499,216 · App. 06/510,673
Method and resin solution for splicing carbonized polyacrylonitrile material
Inventors:
Raymond G. Spain, James E. Massie
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Jul 5, 1983
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.