Granted Patent
Utility
US 4,414,337 · App. 06/379,813
Shaped ceramics
Inventors:
Yoshio Ichikawa, George M. Halgas
Patented Case
View Patent ↗
Granted: Nov 8, 1983
Filed: May 19, 1982
Inventors
Yoshio Ichikawa
George M. Halgas
Assignee (at issue)
Westinghouse Electric Company LLC
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.