1. M.L. Cohen, V.H. Crespi, S.G. Louie, and A. Zettl, "Metallic Carbon Materials," U.S. Patent #5,993,697 (11/30/1999).

 

2. V.H. Crespi, M.L. Cohen, S.G. Louie, and A.K. Zettl, "Nanotube Junctions," U.S. Patent #6,538,262 (03/25/2003).

 

3. V.H. Crespi, M.L. Cohen, S.G. Louie, and A.K. Zettl, "Nanotube Junctions," U.S. Patent #6,835,952 (12/28/2004).

 

4. J. P. Cumings, A. Zettl, S. G. Louie, and M. L. Cohen, "Telescoped Multiwall Nanotube and Manufacture Thereof," U.S. Patent #6,874,668 (04/05/2005).

 

5. C.R. Piskoti, A.K. Zettl, M.L. Cohen, M. Cote, J.C. Grossman, and S.G. Louie, "Carbon Based Thirty Six Atom Spheres," U.S. Patent #6,939,524 (09/06/2005).

 

6. J.P. Cumings, A.K. Zettl, S.G. Louie, and M.L. Cohen, "Telescoped Multiwall Nanotube and Manufacture thereof," U.S. Patent #7,238,425 B2 (07/03/2007).  

 

7. C. Jozwiak, C.-H. Park, K. Gotlieb S. G. Louie, Z. Hussain, and A. Lanzara, "Versatile spin-polarized electron source," U.S. Patent #9,142,634 (09/22/2015).