Granted Patent
Utility
US 5,212,571 · App. 07/796,714
Ultrasonic holographic imaging apparatus having zoom feature
Inventors:
George F. Garlick, Victor I. Neeley
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Nov 22, 1991
Inventors
George F. Garlick
Victor I. Neeley
Assignee (at issue)
Advanced Imaging Systems, Inc.
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.