MO

Mark St. John Owen

Overall (All Time): #1,559,964 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7916862 Stegotext encoder and decoder Roger Sewell, Stephen Barlow, Simon Paul Long 2011-03-29
7917766 Stegotext encoder and decoder Roger Sewell, Stephen Barlow, Simon Paul Long 2011-03-29
7298841 Stegotext encoder and decoder Roger Sewell, Stephen Barlow, Simon Paul Long 2007-11-20