Granted Patent
Utility
US 5,219,800 · App. 07/732,230
Colored ceramics for electronic packages
Inventors:
John F. Kelso, Karen L. Bowersox, G. Edward Graddy, Jr., Douglas A. Weirauch, Jr.
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Jul 18, 1991
Inventors
John F. Kelso
Karen L. Bowersox
G. Edward Graddy, Jr.
Douglas A. Weirauch, Jr.
Assignee (at issue)
Aluminum Company of America
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.