Inventor

PARFITT GWYN DAVID WALTER

GB3 patents

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

YEOMAN MARINE LTD

2 patents

US6304819B1Oct 16, 2001

Locating positions on maps

YEOMAN MARINE LTD54 citations91

US6292137B1Sep 18, 2001

Direction indicating compasses

YEOMAN MARINE LTD53 citations91

YEOMAN NAVIGATION SYSTEMS LTD

1 patent

US6498984B2Dec 24, 2002

Locating positions on maps

YEOMAN NAVIGATION SYSTEMS LTD60 citations90