Granted Patent
Utility
US 6,342,541 · App. 09/456,865
Machinable positive image model material for shape deposition manufacturing
Inventors:
John L. Lombardi, Gregory Artz
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Dec 8, 1999
Inventors
John L. Lombardi
Gregory Artz
Assignee (at issue)
Advanced Ceramics Research, 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.