gptkbp:patentCitation
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gptkb:US_6,444,444_B1
gptkb:US_5,444,444_A1
gptkb:US_5,555,555_B3
gptkb:US_5,999,999_B2
gptkb:US_5,555,555_A
gptkb:US_6,333,333_C2
US 5,333,333 C3
US 6,111,111 E3
US_5,000,000_A
US_6,000,000_A
US_5,111,111_E5
US_5,222,222_D4
US_5,666,666_E4
US_5,777,777_D2
US_5,888,888_C1
US_6,222,222_D1
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