RK

Ralph Kay

DL De La Rue International Limited: 2 patents #1 of 9Top 15%
Overall (2002): #45,918 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6364983 Manufacture of security tapes and security threads — 2002-04-02
6344245 Security device manufacture — 2002-02-05