Granted Patent
Utility
US 4,312,821 · App. 06/034,413
Ceramic forming process
Inventors:
Michael Jarcho, Michael Rossetti
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Apr 30, 1979
Inventors
Michael Jarcho
Michael Rossetti
Assignee (at issue)
Sterling Drug, Inc.
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.