Inventor

PRASAD AKKANAPRAGADA N

GB3 patents

Patents

3 patents

US4891509AJan 2, 1990

Device and method for determining displacement

UNIV LIVERPOOL24 citations88

US4835384AMay 30, 1989

Device and method for determining displacement using colored transparent spheres

UNIV LIVERPOOL9 citations69

US4891510AJan 2, 1990

Device and method for determining displacement

UNIV LIVERPOOL1 citations58