Granted Patent
Utility
US 5,337,404 · App. 07/513,247
Process and system for making computer-aided drawings using a contour inclusion tree associated planar map data structure
Inventors:
Patrick Baudelaire, Michel Gangnet, Jean-Claude Herve, Thierry Pudet, Jean-Manuel Van Thong
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Apr 20, 1990
Inventors
Patrick Baudelaire
Michel Gangnet
Jean-Claude Herve
Thierry Pudet
Jean-Manuel Van Thong
Assignee (at issue)
Digital Equipment International, Ltd.
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.