Maryland Petition Committee v. Johnson

admonishing against attempts “to relitigate on a fuller record preliminary injunction issues already decided” by the district court | even where record would have supported a contrary determination, no abuse of discretion in declining to find bar because of unclean hands | assault committed in course of running an illegal gaming table and illegal gambling same series of acts | even where record would have supported a contrary determination, no abuse of discretion in declining to find bar because of unclean hands | Use of improper means to obtain trade secrets is evidence of their confidentiality | Fourteenth Amendment’s “age and usage” are “persuasive indicia” of valid ratification