JR

John O. Ryan

MA Macrovision: 3 patents #1 of 10Top 10%
🗺 California: #2,413 of 28,521 inventorsTop 9%
Overall (2003): #27,843 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6600873 Method and apparatus for detecting modified color burst signals to prevent the copying of a video program Gerow D. Brill 2003-07-29
6590979 Method and apparatus for compression compatible video scrambling 2003-07-08
6542609 Method and apparatus for scrambling a high definition television signal James R. Holzgrafe, Mark Hollar 2003-04-01