$PDCO SEC Filings

Filing Filed On
SC 13G 13 Feb 1997
FORM 8-K/A AMENDMENT NO. 2 10 Feb 1997
FORM S-3 17 Jan 1997
FORM 8-K/A 13 Dec 1996
FORM 10-Q 09 Dec 1996
FORM 8-K 15 Oct 1996
FORM 8-K 24 Sep 1996
FORM 10-Q 06 Sep 1996
SCHEDULE 13G 08 Aug 1996
FORM 10-K 26 Jul 1996
DEFINITIVE PROXY STATEMENT 26 Jul 1996
FORM S-8 13 May 1996