Inventor

BARR JOHN KENNEDY

US3 patents

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

DIGIMARC CORPORATINO

1 patent

US7519819B2Apr 14, 2009

Layered security in digital watermarking

DIGIMARC CORPORATINO53 citations93

BARR JOHN KENNEDY

1 patent

US8190901B2May 29, 2012

Layered security in digital watermarking

BARR JOHN KENNEDY20 citations88

DIGIMARC CORP

1 patent

US8345316B2Jan 1, 2013

Layered security in digital watermarking

DIGIMARC CORP11 citations83