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Extract from the Register of European Patents

EP Citations: EP1031044

Cited inInternational search
Type:Patent literature
Publication No.:US3873911  [A]
 (CHAMPLIN KEITH S) [A] 1-14;
Type:Patent literature
Publication No.:GB2175700  [X]
 (SECR DEFENCE) [X] 1-6,8-12,14;
Type:Patent literature
Publication No.:US4697134  [X]
 (BURKUM MERLIN E [US], et al) [X] 1-6,8-12,14;
Type:Patent literature
Publication No.:WO9322666  [A]
 (BELL COMMUNICATIONS RES [US])[A] 1-14;
Type:Patent literature
Publication No.:US5598098  [X]
 (CHAMPLIN KEITH S [US]) [X] 1-6,8-12,14