Granted Patent
Utility
US 4,647,888 · App. 06/732,518
High heat capacity composites for a superconductor
Inventors:
Lawrence D. Woolf, John R. Purcell
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: May 9, 1985
Inventors
Lawrence D. Woolf
John R. Purcell
Assignee (at issue)
GA Technologies, 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.