Frank Ettin gave good advice about contacting a lawyer (not surprising since he is one himself). It is possible that you may be able to have your record expunged, but a lawyer more familiar with your local and state laws could probably give you better guidance than we can.
Smith, and Wesson, and Me. -H. Callahan
Well waddaya know, one buwwet weft! -E. Fudd
All bad precedents begin as justifiable measures. -J. Caesar