• * \Mr. and Mrs. Rudy Hartmann50th anniversary open houseMr. and Mrs. Rudy Hartmann of Akron, will celebrate their 50 th wedding anniversary with an open house, Sunday, April 30, from 2 to 4p.m. at Trinity Lutheran church in Akron. 'All friends and relatives are invited. No invitations have been sent. Your presence is the only gift the couple desires.Hosts will be their children, Mr. and Mrs. Jim Hartmann of Viborg, S.D., and Mr. and Mrs. Arne [Judy] Hunstad of Red Wing,A4inn nnrt their Hva arnnrlrhilriroti