Inventor · disambiguated record
Christopher J. Dyball
Also filed as: DYBALL CHRISTOPHER · DYBALL CHRISTOPHER J
11 granted patents·3 pending applications·888 citations·filing 1979–2015
93Inventor score
Top patents by PatentIndex Score
14 records- 0192US5457747AAnti-fraud verification system using a data cardDREXLER TECH·Filed 1994·Granted Oct 10, 1995·300 cites·27 claims
- 0291US5421619ALaser imaged identification cardDREXLER TECH·Filed 1993·Granted Jun 6, 1995·88 cites·19 claims
- 0389US4217433ADiethylene glycol bis(allyl carbonate) compositions containing crosslinkable copolymersPENNWALT CORP·Filed 1979·Granted Aug 12, 1980·34 cites·9 claims
- 0486US5412727AAnti-fraud voter registration and voting system using a data cardDREXLER TECH·Filed 1994·Granted May 2, 1995·206 cites·22 claims
- 0585US5559885ATwo stage read-write method for transaction cardsDREXLER TECH·Filed 1994·Granted Sep 24, 1996·185 cites·16 claims
- 0685US4736966AData card with peelable protective layersDREXLER TECH·Filed 1986·Granted Apr 12, 1988·31 cites·23 claims
- 0776US9237119B1File-attendant messagingGREEN ROOM NETWORKS INC·Filed 2013·Granted Jan 12, 2016·4 cites·25 claims
- 0875US9830332B1File-attendant messagingGREEN ROOM NETWORKS INC·Filed 2015·Granted Nov 28, 2017·2 cites·20 claims
- 0958US4692402AUltrathin optical recording medium with moisture barrierDREXLER TECH·Filed 1986·Granted Sep 8, 1987·17 cites·25 claims
- 1056US5992891ATamper resistant identification cardDREXLER TECH·Filed 1998·Granted Nov 30, 1999·20 cites·13 claims
- 1153US2015367670A1Method of using laser ablation to reveal underlying security feature and device obtained therebyASSA ABLOY AB·Filed 2013·Application pending·0 cites
- 1252US2013335794A1Optically writable holographic mediaDYBALL CHRISTOPHER J·Filed 2013·Application pending·0 cites
- 1347US2011261672A1Optically writable holographic mediaLASERCARD CORP·Filed 2010·Application pending·0 cites
- 1432US4263417APolyester compositions containing crosslinkable copolymersPENNWALT CORP·Filed 1979·Granted Apr 21, 1981·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →