Granted Patent
Utility
US 5,541,249 · App. 07/629,495
Injection moldable ceramic and metallic compositions and method of preparing the same
Inventors:
O. Richard Hughes, Hongkyu Kim, Gerd Wingefeld
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Dec 18, 1990
Inventors
O. Richard Hughes
Hongkyu Kim
Gerd Wingefeld
Assignee (at issue)
Hoechst Celanese 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.