P 983 90 2 P 3068bpr9959 2 1 P 3626cpr3284 90 1 P 68502pat0001 68 1 P 970c11pat12pr0003 69 1 P 973c11h02pr9651 69 1 P 981 69 1 P 982 69 1 P 36752a 88 1 P 88646 11 1