Inventor

KELLER RANDY C

US6 patents

Patents

6 patents

US5419546AMay 30, 1995

Double-document detection arrangement

UNISYS CORP20 citations91

US5908191AJun 1, 1999

Double-document detection arrangement

UNISYS CORP20 citations88

US5509648AApr 23, 1996

Document separation/detection technique

UNISYS CORP18 citations81

US5671919ASep 30, 1997

Double-document detection arrangement

UNISYS CORP11 citations72

US5439506AAug 8, 1995

Separation process for a check processor

UNISYS CORP17 citations72

US5437375AAug 1, 1995

Double-document detection systems

UNISYS CORP11 citations72