Ricerca semantica
Cross, Dacis, De Witt-La France, Diamond Star, Dictator, Diplomatic Patented Pen, Duchessa, Dunn, Eagle, Eberhard Faber, Eclipse, Edacoto, Ercolessi, Erlebach, Ero, Estense, Esterbrook, Eureka, Everest, F.I.P.O.S., Faber-Castell, Fend, For Ever, Ford Patent Pen, Fratelli Cavaliere, Fratelli Rossi Vicenza, Geha, Genoso & Rosso, Giacomazzi, Gold Medal, Gold Starry, Goldstar, Greif, Grieshaber, Hallmark, Hardtmuth, Haro, Helios, Hicks, John Holland Pen Company, Imperial, Ingersoll Limited, Ingersoll Redipoint, Inkograph, Inoxcrom, Invicta, Iris, Itala Cromograf, Italstilo, James Kelley