
    No. 892.
    The Bisight Company et al. v. Onepiece Bifocal Lens Company.
    March 17, 1919.
    
      Mr. Cyrus N. Anderson for petitioners. Mr. Edward Rector and Mr. V. H. Lockwood for respondent.
   Petition for a writ of certiorari to the Circuit Court of Appeals for the Fourth Circuit denied.  