| U.S. Patent No. 5,151,320. | Hydroentangled Spunbonded Composite Fabric and Process. |
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| U.S. Patent No. 4,812,283. | Method of Manufacturing Molded Articles. |
| U.S. Patent No. 4,765,812. | Air Laid Filtering Material. |
| U.S. Patent No. 4,686,136. | Laminated Fabrics and Fiber Mats and Method for Their Manufacture. |
| U.S. Patent No. 4,663,225. | Fiber Reinforced Composites and Method of Their Manufacture. |