Granted Patent
Utility
US 5,850,346 · App. 08/579,547
System for embedding hidden source information in three-dimensional computer model data
Inventor:
John W. Barrus
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Dec 27, 1995
Inventor
John W. Barrus
Assignee (at issue)
Mitsubishi Electric Information Technology Center America, Inc. (ITA)
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.