Granted Patent
Utility
US 5,573,721 · App. 08/389,514
Use of a support liquid to manufacture three-dimensional objects
Inventor:
Paul C. Gillette
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Feb 16, 1995
Inventor
Paul C. Gillette
Assignee (at issue)
HERCULES LLC
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.