Frederick; David Alan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frederick; David Alan.The latest application filed is for "friction stir method for joining complex shapes".
- Frederick; David Alan - Harriman TN
| Patent | Date |
|---|---|
| Friction stir method for forming structures and materials Grant 8,061,579 - Feng , et al. November 22, 2 | 2011-11-22 |
| Friction Stir Method for Joining Materials Having Different Thicknesses App 20100252171 - Feng; Zhili ; et al. | 2010-10-07 |
| Friction Stir Method for Forming Structures and Materials App 20100252169 - Feng; Zhili ; et al. | 2010-10-07 |
| Friction Stir Method for Joining Complex Shapes App 20100252170 - Feng; Zhili ; et al. | 2010-10-07 |
| Multiple pass and multiple layer friction stir welding and material enhancement processes Grant 7,762,447 - Feng , et al. July 27, 2 | 2010-07-27 |
| Multiple Pass And Multiple Layer Friction Stir Welding And Material Enhancement Processes App 20090236403 - Feng; Zhili ; et al. | 2009-09-24 |
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