|
WO9926207A1
|
|
Digital coin tracing using trustee tokens
|
|
US5479512A
|
|
Method and apparatus for performing concryption
|
|
US5657388A
|
|
Method and apparatus for utilizing a token for resource access
|
|
US5485519A
|
|
Enhanced security for a secure token code
|
|
US5361062A
|
|
Personal security system
|
|
US5237614A
|
|
Integrated network security system
|
|
WO9207436A1
|
|
Method and apparatus for personal identification
|
|
US5168520A
|
|
Method and apparatus for personal identification
|
|
EP0497889A1
|
|
Method and apparatus for secure identification and verification
|
|
CA1270957A
|
|
Method and apparatus for synchronizing generation of separate, free running, time dependent equipment
|
|
US4720860A
|
|
Method and apparatus for positively identifying an individual
|
