Granted Patent
Utility
US 5,870,176 · App. 08/878,444
Maskless lithography
Inventors:
William C. Sweatt, Richard H. Stulen
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Jun 18, 1997
Inventors
William C. Sweatt
Richard H. Stulen
Assignee (at issue)
Sandia Corporation
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.