Granted Patent
Utility
US 5,863,468 · App. 08/962,606
Preparation of calcined ceramic powders
Inventors:
Pawel Czubarow, Mark W. Ellsworth, Karin M. Kinsman, Eugen L. Kurjatko, Andrew P. Washabaugh
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Oct 31, 1997
Inventors
Pawel Czubarow
Mark W. Ellsworth
Karin M. Kinsman
Eugen L. Kurjatko
Andrew P. Washabaugh
Assignee (at issue)
Raychem Limited
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.