Inventor

GRAAE NIELS

DE2 patents

Patents

2 patents

US6360506B1Mar 26, 2002

Bituminous roofing membrane, and method of joining two roofing membranes

ICOPAL GMBH48 citations82

US6830802B2Dec 14, 2004

Roofing membrane

ICOPAL GMBH2 citations57