P

Inventor

BUTTIFANT JOHN

GB4 patents
⚠️ This page may combine multiple inventors who share the name “BUTTIFANT JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RUE DE INT LTD

3 patents
US7516893B2Apr 14, 2009

Apparatus for and method of detecting a coded magnetic thread

RUE DE INT LTD6 citations70
US7434732B2Oct 14, 2008

Magnetic thread reader

RUE DE INT LTD4 citations59
US7063257B2Jun 20, 2006

Magnetic thread reader

RUE DE INT LTD4 citations59

DE LA RUE SYST

1 patent
US4749087AJun 7, 1988

Authenticity sensing

DE LA RUE SYST182 citations95