MC

Michael D. Crossfield

FL Flying Null Limited: 4 patents #1 of 4Top 25%
📍 Brackley, GB: #1 of 3 inventorsTop 35%
Overall (2002): #13,677 of 266,432Top 6%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6491221 Security documents David Arnold, Michael John Abrams 2002-12-10
6486655 Magnetic position sensing techniques 2002-11-26
6371379 Magnetic tags or markers Andrew Dames 2002-04-16
6369965 Magnetic interrogation techniques Andrew Dames 2002-04-09