Extract from the Register of European Patents

EP Citations: EP0518597

Cited inSearch
Type:Patent literature
Publication No.:GB2096348  [A]
 (ELLIOTT BROTHERS LONDON LTD);
Type:Patent literature
Publication No.:US4447120  [A]
 (BORSUK LESLIE M [US]);
Type:Patent literature
Publication No.:WO8606472  [A]
 (AMERICAN TELEPHONE & TELEGRAPH [US]);
Type:Patent literature
Publication No.:US4842364  [A]
 (CHEN CHUNG F [US]);
Type:Patent literature
Publication No.:DE3813076  [X]
 (SIEMENS AG [DE]);
Type:Patent literature
Publication No.:WO9004799  [Y]
 (DU PONT [US]);
Type:Patent literature
Publication No.:EP0405666  [Y]
 (PHILIPS NV [NL])