X0303 4 2010-02-09 0 0000728249 INTERPHASE CORP INPH 0001349360 TIPTON THOMAS N JR 2901 NORTH DALLAS PARKWAY SUITE 200 PLANO TX 75093 0 1 0 0 CFO & VP of Finance Common Stock 2010-02-09 4 S 0 270 2.34 D 51996 D Automatic sale made pursuant to a previously adopted Rule 10b5-1 Trading Plan entered into as of March 5, 2009. The sale represents only enough shares to cover the estimated tax withholding obligation for the vesting of restricted stock. The Reporting Person is holding the remaining shares. /s/ Thomas N Tipton Jr 2010-02-09