David P. Cook

ZI Zix: 3 patents #1 of 2Top 50%

📍 Dallas, TX: #35 of 508 inventorsTop 7%

🗺 Texas: #587 of 8,731 inventorsTop 7%

Overall (2004): #30,634 of 270,089Top 15%

Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6760752	Secure transmission system	Gary Liu	2004-07-06
6732101	Secure message forwarding system detecting user's preferences including security preferences	—	2004-05-04
6675153	Transaction authorization system	Gary Liu	2004-01-06