Granted Patent
Utility
US 5,105,305 · App. 07/639,629
Near-field scanning optical microscope using a fluorescent probe
Inventors:
Robert Eric Betzig, Jay Trautman
Patented Case
View Patent ↗
Granted: Apr 14, 1992
Filed: Jan 10, 1991
Inventors
Robert Eric Betzig
Jay Trautman
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.