Granted Patent
Utility
US 6,677,554 · App. 10/206,647
Selective laser sintering with optimized raster scan direction
Inventors:
James F. Darrah, Xiaoshu Zu
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Jul 26, 2002
Inventors
James F. Darrah
Xiaoshu Zu
Assignee (at issue)
3D Systems, 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.