Granted Patent
Utility
US 5,647,364 · App. 08/389,104
Ultrasonic biometric imaging and identity verification system
Inventors:
John K. Schneider, Gerald F. Marshall, Andrew D. Vassallo
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Feb 15, 1995
Inventors
John K. Schneider
Gerald F. Marshall
Andrew D. Vassallo
Assignee (at issue)
Ultra-Scan Corporation
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.