Granted Patent
Utility
US 6,718,821 · App. 10/010,095
Laser interferometry force-feedback sensor for an interfacial force microscope
Inventors:
Jack E. Houston, William L. Smith
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Nov 7, 2001
Inventors
Jack E. Houston
William L. Smith
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.