Granted Patent
Utility
US 5,940,552 · App. 08/950,114
Optical switch with multiple refractive elements pivoted into respective binary states
Inventors:
Warren Hale Lewis, Robert Nelson Fair, Jr., Terence Mason Ward, Casey Francis Kane
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Oct 14, 1997
Inventors
Warren Hale Lewis
Robert Nelson Fair, Jr.
Terence Mason Ward
Casey Francis Kane
Assignee (at issue)
Whitaker & Company
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.