Granted Patent
Utility
US 5,737,439 · App. 08/739,313
Anti-fraud biometric scanner that accurately detects blood flow
Inventors:
Philip Dean Lapsley, Jonathan Alexander Lee, David Ferrin Pare, Jr., Ned Hoffman
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Oct 29, 1996
Inventors
Philip Dean Lapsley
Jonathan Alexander Lee
David Ferrin Pare, Jr.
Ned Hoffman
Assignee (at issue)
SMARTTOUCH, 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.