Granted Patent
Utility
US 6,549,700 · App. 09/875,244
Optical switch using Risley prisms
Inventors:
William C. Sweatt, Todd R. Christenson
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jun 5, 2001
Inventors
William C. Sweatt
Todd R. Christenson
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.