Granted Patent
Utility
US 5,286,971 · App. 08/001,235
Data recording using a near field optical probe
Inventors:
Robert Eric Betzig, Ernst M. Gyorgy, Jay Trautman, Raymond Wolfe
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Jan 6, 1993
Inventors
Robert Eric Betzig
Ernst M. Gyorgy
Jay Trautman
Raymond Wolfe
Assignee (at issue)
AT&T Bell Laboratories
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.