Christopher J. Dyball

Person

Half Moon Bay, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tamper resistant identification card
- Patent number 5,992,891
- Issue date Nov 30, 1999
- Drexler Technology Corporation
- Christopher J. Dyball
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Two stage read-write method for transaction cards
- Patent number 5,559,885
- Issue date Sep 24, 1996
- Drexler Technology Corporation
- Jerome Drexler
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Anti-fraud verification system using a data card
- Patent number 5,457,747
- Issue date Oct 10, 1995
- Drexler Technology Corporation
- Jerome Drexler
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Laser imaged identification card
- Patent number 5,421,619
- Issue date Jun 6, 1995
- Drexler Technology Corporation
- Christopher J. Dyball
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Anti-fraud voter registration and voting system using a data card
- Patent number 5,412,727
- Issue date May 2, 1995
- Drexler Technology Corporation
- Jerome Drexler
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data card with peelable protective layers
- Patent number 4,736,966
- Issue date Apr 12, 1988
- Drexler Technology Corporation
- Richard Haddock
- G11 - INFORMATION STORAGE
Information Patent Grant
Ultrathin optical recording medium with moisture barrier
- Patent number 4,692,402
- Issue date Sep 8, 1987
- Drexler Technology Corporation
- Eric Bouldin
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF USING LASER ABLATION TO REVEAL UNDERLYING SECURITY FEATUR...
- Publication number 20150367670
- Publication date Dec 24, 2015
- ASSA ABLOY AB
- Christopher J. DYBALL
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
OPTICALLY WRITABLE HOLOGRAPHIC MEDIA
- Publication number 20130335794
- Publication date Dec 19, 2013
- LASERCARD CORPORATION
- Christopher J. Dyball
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
OPTICALLY WRITABLE HOLOGRAPHIC MEDIA
- Publication number 20110261672
- Publication date Oct 27, 2011
- LASERCARD CORPORATION
- Christopher J. Dyball
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Christopher J. Dyball

Person

Patents Grantslast 30 patents

Tamper resistant identification card

Two stage read-write method for transaction cards

Anti-fraud verification system using a data card

Laser imaged identification card

Anti-fraud voter registration and voting system using a data card

Data card with peelable protective layers

Ultrathin optical recording medium with moisture barrier

Patents Applicationslast 30 patents

METHOD OF USING LASER ABLATION TO REVEAL UNDERLYING SECURITY FEATUR...

OPTICALLY WRITABLE HOLOGRAPHIC MEDIA

OPTICALLY WRITABLE HOLOGRAPHIC MEDIA