Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000810717-99-000085
Filing Date
1999-12-09
Accepted
1999-12-09 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 AMENDMENT TO SCHEDULE 13G SC 13G/A 16445
  Complete submission text file 0000810717-99-000085.txt   18363
Mailing Address 825 DUPORTAIL ROAD WAYNE PA 19087
Business Address 825 DUPORTAIL ROAD WAYNE PA 19087 6105781281
PILGRIM BAXTER & ASSOCIATES LTD (Filed by) CIK: 0000810717 (see all company filings)

EIN.: 232797802 | State of Incorp.: DE | Fiscal Year End: 1231

Mailing Address P O DRAWER 1416 SNYDER TX 79550
Business Address 4510 LAMESA HWY P O DRAWER 1416 SNYDER TX 79549 9155731104
PATTERSON ENERGY INC (Subject) CIK: 0000889900 (see all company filings)

EIN.: 752504748 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-44095 | Film No.: 99771131
SIC: 1381 Drilling Oil & Gas Wells