Gull Laboratories

Firm's major shareholder, Gull Holdings, agrees to sell a controlling interest in the company to the German pharmaceutical and medical systems firm Fresenius AG under an agreement in principle announced May 5. Gull manufactures infectious disease and autoimmune disorder diagnostic test kits. Gull Holdings, controlled by Gull Laboratories Chairman Myron Wentz, owns 53% of Gull Labs and will receive approximately $22 mil. in the deal. Wentz "has indicated his willingness to continue to serve as Chairman," the company says