Granted Patent
Utility
US 5,553,487 · App. 08/502,368
Methods of operating atomic force microscopes to measure friction
Inventor:
Virgil B. Elings
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Jul 14, 1995
Inventor
Virgil B. Elings
Assignee (at issue)
Digital Instruments, 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.