Granted Patent
Utility
US 6,644,118 · App. 10/243,429
Cylindrical acoustic levitator/concentrator having non-circular cross-section
Inventors:
Gregory Kaduchak, Dipen N. Sinha
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Sep 13, 2002
Inventors
Gregory Kaduchak
Dipen N. Sinha
Assignee (at issue)
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
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.