Inventor

LANGRICK DAVID J

GB3 patents

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

WILLETT INT LTD

2 patents

US4856322AAug 15, 1989

Method and device for measuring the viscosity of an ink

WILLETT INT LTD32 citations90

US4905503AMar 6, 1990

Method and device for measuring the viscosity of a fluid

WILLETT INT LTD20 citations77

KEELING MICHAEL R

1 patent

US4621268ANov 4, 1986

Fluid application method and apparatus

KEELING MICHAEL R70 citations90