Extract from the Register of European Patents

EP Citations: EP1554084

Cited inInternational search
Type:Patent literature
Publication No.:US2331339  [X]
 (HARRY MORRIS) [X] 1-9,11,15,21,22,25 * column W *;
Type:Patent literature
Publication No.:US3015245  [XA]
 (DRACKA CLARENCE L) [X] 1-4,15,21-23 * column 4, line 28 - line 35; figures 3,4 * [A] 17;
Type:Patent literature
Publication No.:US3023652  [X]
 (FELDMAN CHARLES S) [X] 1-4,21,22 * column 4, line 68 - column 5, line 26; figures 7-9 *;
Type:Patent literature
Publication No.:US4651597  [X]
 (YANG TAI-HER [TW]) [X] 1-4,21,22 * figures 20-30 *;
Type:Patent literature
Publication No.:US2824476  [X]
 (WILSON LEONARD K) [X] 25,26 * column 2, line 15 - line 18 * * column 2, line 27 - line 33; figure - *;
Type:Patent literature
Publication No.:GB658879  [X]
 (WILLIAM MAWSON HALLIDAY) [X] 25 * page 2, line 69 - line 90; figure - *