Inventor

DZIEWIT HALINA S

US4 patents

⚠️ This page may combine multiple inventors who share the name “DZIEWIT HALINA S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRAZIANO JAMES M

2 patents

US5191613AMar 2, 1993

Knowledge based system for document authentication

GRAZIANO JAMES M310 citations96

US5163091ANov 10, 1992

Knowledge based system for document authentication (apparatus)

GRAZIANO JAMES M129 citations95

DZIEWIT HALINA S

2 patents

US5031214AJul 9, 1991

Document authentication apparatus

DZIEWIT HALINA S79 citations94

US4981370AJan 1, 1991

Document authentication apparatus

DZIEWIT HALINA S101 citations94