1. A

Serial Number: 78802408
Owner: (REGISTRANT) Schweitzer Engineering Laboratories, Inc. CORPORATION WASHINGTON 2350 NE Hopkins Court Pullman WASHINGTON 99163
Filed on: 01/30/2006

2. DATA COURIER

Serial Number: 77020635
Owner: (REGISTRANT) Schweitzer Engineering Laboratories CORPORATION WASHINGTON 2350 NE Hopkins Court Law Department Pullman WASHINGTON 99163
Filed on: 10/13/2006

3. E. O. SCHWEITZER MANUFACTURING

Serial Number: 78839735
Owner: (REGISTRANT) Schweitzer Engineering Laboratories, Inc. CORPORATION WASHINGTON 2350 NE Hopkins Court Pullman WASHINGTON 99163
Filed on: 03/17/2006

4. POWERCORE-M

Serial Number: 77720721
Owner: (APPLICANT) Schweitzer Engineering Laboratories, Inc. CORPORATION WASHINGTON Law Department 2350 NE Hopkins Court Pullman WASHINGTON 99163
Filed on: 04/23/2009

5. SEL-351R FALCON

Serial Number: 77713739
Owner: (APPLICANT) Schweitzer Engineering Laboratories, Inc. CORPORATION WASHINGTON Law Department 2350 NE Hopkins Court Pullman WASHINGTON 99163
Filed on: 04/14/2009

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