Inventor

WILLIS MAXWELL RALPH

GB2 patents

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

DE BEERS UK LTD

1 patent

US9958398B2May 1, 2018

Measuring parameters of a cut gemstone

DE BEERS UK LTD9 citations77

D'GAMA SIOBHAN

1 patent

US9796536B2Oct 24, 2017

Automatic gemstone orientation

D'GAMA SIOBHAN3 citations60