Granted Patent
Utility
US 6,196,061 · App. 09/186,742
AFM with referenced or differential height measurement
Inventors:
Dennis M. Adderton, Stephen C. Minne
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Nov 5, 1998
Inventors
Dennis M. Adderton
Stephen C. Minne
Assignee (at issue)
NanoDevices, 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.