Granted Patent
Utility
US 6,801,148 · App. 09/760,531
Beamformed ultrasonic imager with delta-sigma feedback control
Inventors:
Steven Russell Freeman, Matthew O'Donnell, Thomas E. Linnenbrink, Marc A. Morin, Marshall K. Quick, Charles S. Desilets
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Jan 16, 2001
Inventors
Steven Russell Freeman
Matthew O'Donnell
Thomas E. Linnenbrink
Marc A. Morin
Marshall K. Quick
Charles S. Desilets
Assignee (at issue)
THE REGENTS OF THE UNIVERSITY OF MICHIGAN
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.