Granted Patent
Utility
US 6,563,784 · App. 09/769,069
Multiple optical-recording apparatus using solid immersion lens
Inventors:
Gee Pyeong Han, Kyoung Ik Cho, Mun Cheol Paek, Yeung Sohn
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jan 24, 2001
Inventors
Gee Pyeong Han
Kyoung Ik Cho
Mun Cheol Paek
Yeung Sohn
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
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.