EXHIBIT 4 DIGITAL POWER CORPORATION, A California Corporation CONVERTIBLE NOTE $250,000 AGGREGATE PRINCIPAL AMOUNT NEITHER THIS NOTE NOR THE SECURITIES ISSUABLE UPON THE CONVERSION HEREOF AS PROVIDED HEREIN HAVE BEEN REGISTERED UNDER THE SECURITIES...Digital Power Corp • February 9th, 2005 • Electronic components, nec • California
Company FiledFebruary 9th, 2005 Industry Jurisdiction