Granted Patent
Utility
US 4,424,022 · App. 06/348,898
Method of using ceramic greenware support
Inventor:
Lear C. Herrold
Patented Case
View Patent ↗
Granted: Jan 3, 1984
Filed: Feb 16, 1982
Inventor
Lear C. Herrold
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.