Granted Patent
Utility
US 5,336,381 · App. 07/637,850
Electrophoresis process for preparation of ceramic fibers
Inventors:
William J. Dalzell, Robert J. Wright, Jarrett L. Spence
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Jan 7, 1991
Inventors
William J. Dalzell
Robert J. Wright
Jarrett L. Spence
Assignee (at issue)
UNITED TECHNOLOGIES CORPORATION
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.