HACKMAN U.S.A. INCORPORATED NEW YORK N.Y. HACKMAN

#Signs, notations, symbols #Circles #Letters or numerals forming geometrical figures, written or typographical matter in perspective #Letters presenting a special form of writing #Colours #Dots #More than two circles, inside one another, spirals #Circles containing one or more letters #Circles containing inscriptions arranged in circular form #Letters or numerals forming a figure in the shape of an arc of a circle #Series of letters presenting different forms of writing #Three predominant colours