What is jewelry gold shield?

GOLD SHIELD is a Trademark for an American Company who launched out in around 1987 producing gold coated items and also precious metals and alloys. Company Name American Design Group Inc St Louis. This trademark no longer exists as died in 1986.The 'Gold Shield' trademark serial number is 73608292 and the trademark reg number is 1435455. for goods and services 'gold jewellery' Information found under Trademarkia.com. It is unclear what the components that made up the 'gold coating' was as no specific other detail provided.