Exhibit 10.13.1 REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT (this "Agreement"), dated as of October 11, 2004, by and among Advanced Photonix, Inc., a Delaware corporation, with headquarters located at 1240 Avenida Acaso, Camarillo, CA...Registration Rights Agreement • October 12th, 2004 • Advanced Photonix Inc • Semiconductors & related devices • New York
Exhibit 10.13 SECURITIES PURCHASE AGREEMENT SECURITIES PURCHASE AGREEMENT (the "Agreement"), dated as of October 11, 2004, by and among Advanced Photonix, Inc., a Delaware corporation, with headquarters located at 1240 Avenida Acaso, Camarillo, CA...Securities Purchase Agreement • October 12th, 2004 • Advanced Photonix Inc • Semiconductors & related devices • New York
