Extract from the Register of European Patents

EP Citations: EP0204188

Cited inSearch
Type:Patent literature
Publication No.:US3249178  [Y]
 (WATTERS BILL G);
Type:Patent literature
Publication No.:DE2332915  [A]
 ;
Type:Patent literature
Publication No.:DE2929491  [Y]
 (DANSK PLASTPLADE VAERK);
Type:Patent literature
Publication No.:FR2516646  [A]
 (BOUSSOIS SA [FR])