JV

James R. Valentine

SP Spectradisc: 3 patents #1 of 12Top 9%
FT Flexplay Technologies: 1 patents #14 of 28Top 50%
📍 Reading, MA: #169 of 473 inventorsTop 40%
🗺 Massachusetts: #27,608 of 88,656 inventorsTop 35%
Overall (All Time): #1,245,996 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
RE42011 Machine-readable optical disc with reading-inhibit agent Philip E. Rollhaus, John R. Powell, Eric J. Carlson, Daniel J. Ehntholt, Irwin C. Winkler +1 more 2010-12-28
6434109 Machine-readable optical disc with reading-inhibit agent Philip E. Rollhaus, John R. Powell, Eric J. Carlson, Daniel J. Ehntholt, Irwin C. Winkler +1 more 2002-08-13
6343063 Machine-readable optical disc with reading-inhibit agent Philip E. Rollhaus, John R. Powell, Eric J. Carlson, Daniel J. Ehntholt, Irwin C. Winkler +1 more 2002-01-29
6011772 Machine-readable optical disc with reading-inhibit agent Philip E. Rollhaus, John R. Powell, Eric J. Carlson, Daniel J. Ehntholt, Irwin C. Winkler +1 more 2000-01-04