$PTN CORRESP SEC Filings

10-K 10-K405 10-K/A 10KSB 10KSB/A 10-Q 10QSB 10QSB/A 144 25 3 3/A 4 424B2 424B3 424B4 424B5 4/A 5 8-A12B 8-K 8-K/A ARS CERT CORRESP CT ORDER D DEF 14A DEF 14C DEFA14A DEFS14A DRS EFFECT NO ACT NT 10-Q POS AM PRE 14A PRE 14C PREM14A PRER14A PRES14A REGDEX RW RW WD S-1 S-1/A S-3 S-3/A S-3MEF S-8 SB-2 SC 13D SC 13D/A SC 13G SC 13G/A SC 14F1 SCHEDULE 13G SCHEDULE 13G/A UPLOAD