Extract from the Register of European Patents

EP Citations: EP3716814

Cited inInternational search
Type:Patent literature
Publication No.:US3550891  [XI]
 (SCOTT CHARLES F) [X] 1,2,6 * figures 1-4 * [I] 5;
Type:Patent literature
Publication No.:JPS6421638U  [X]
 (UNKNOWN) [X] 1,2,6,8,10 * figures 1-4 *;
Type:Patent literature
Publication No.:US5117986  [XI]
 (LIN HSIN-HSIUNG [TW]) [X] 1,2,6,8,10 * figures 3,4,6 * [I] 11;
Type:Patent literature
Publication No.:GB2297896  [X]
 (ARTFORM INT LTD [GB]) [X] 1-4,6-8 * figures 1-3 *
Cited inby applicant
Type:Patent literature
Publication No.:DE7306928U