EXHIBIT 4.4 THIS WARRANT AND THE SHARES ISSUABLE UPON THE EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. EXCEPT AS OTHERWISE SET FORTH HEREIN OR IN A SECURITIES PURCHASE AGREEMENT DATED AS OF JULY 5,...Warrant Agreement • July 11th, 2006 • Avitar Inc /De/ • Orthopedic, prosthetic & surgical appliances & supplies • New York
EXHIBIT 4.2 REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT (this "Agreement"), dated as of July 5, 2006, by and among Avitar Inc., a Delaware corporation with its headquarters located at 65 Dan Road, Canton, MA 02021 (the "Company"), and...Registration Rights Agreement • July 11th, 2006 • Avitar Inc /De/ • Orthopedic, prosthetic & surgical appliances & supplies • New York
Exhibit 4.1 SECURITIES PURCHASE AGREEMENT SECURITIES PURCHASE AGREEMENT (this "Agreement"), dated as of July 5, 2006, by and among Avitar Inc., a Delaware corporation, with headquarters located at 65 Dan Road, Canton, MA 02021 (the "Company"), and...Securities Purchase Agreement • July 11th, 2006 • Avitar Inc /De/ • Orthopedic, prosthetic & surgical appliances & supplies • New York
