Citation Codes Equivalent Citations citation codes Attorney(S) Anthony S. Guido, with him Gleason, Cherry Guido, for Sanford A. Segal, with him Gatz, Cohen O'Brien, for Judges OPINION PER CURIAM, November 12, 1968: See more information ... Smart Summary Please sign up to generate summary. International Union of Operating Engineers, Local No. 66, AFL-CIO, v. Hallstrom et al., Appellants. OPINION PER CURIAM, November 12, 1968: Decree affirmed. Costs on appellants. Mr. Justice MUSMANNO did not participate in the decision of this case.