Christopher J. Dyball — 11 Patents at Drexler Technology

Christopher J. Dyball has been granted 11 US patents while listed as an inventor at Drexler Technology. The first was granted in 1980 and the most recent in November 2017. Christopher J. Dyball ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Christopher J. Dyball in Foster City, CA, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9830332	File-attendant messaging	—	2017-11-28
9237119	File-attendant messaging	—	2016-01-12
5992891	Tamper resistant identification card	—	1999-11-30	$1,098,000
5559885	Two stage read-write method for transaction cards	Jerome Drexler	1996-09-24	$1,848,000
5457747	Anti-fraud verification system using a data card	Jerome Drexler	1995-10-10	$1,852,000
5421619	Laser imaged identification card	—	1995-06-06	$1,069,000
5412727	Anti-fraud voter registration and voting system using a data card	Jerome Drexler	1995-05-02	$793,000
4736966	Data card with peelable protective layers	Richard M. Haddock, Eric W. Bouldin	1988-04-12	$699,000
4692402	Ultrathin optical recording medium with moisture barrier	Eric W. Bouldin, Richard M. Haddock	1987-09-08	$598,000
4263417	Polyester compositions containing crosslinkable copolymers	—	1981-04-21	$1,430,000
4217433	Diethylene glycol bis(allyl carbonate) compositions containing crosslinkable copolymers	—	1980-08-12	$1,320,000

Christopher J. Dyball — 11 Patents

Issued Patents All Time

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