Granted Patent
Utility
US 5,403,563 · App. 07/926,257
Apparatus for silicon nitride precursor solids recovery
Inventors:
Gary M. Crosbie, Ronald L. Predmesky, John Michael Nicholson
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Aug 6, 1992
Inventors
Gary M. Crosbie
Ronald L. Predmesky
John Michael Nicholson
Assignee (at issue)
Ford Motor Company
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.