Granted Patent
Utility
US 4,900,491 · App. 07/008,515
Method for forming miniature ceramic articles with small bores
Inventors:
Harry J. Odink, Walt D. Carbonell
Patented Case
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Granted: Feb 13, 1990
Filed: Jan 29, 1987
Inventors
Harry J. Odink
Walt D. Carbonell
Assignee (at issue)
Ampex 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.