Henry L. Ziegler receives the United States patent #509,110, to “String-Frame for Upright Pianos; plate for upright piano having a scale-rib extending from the treble to the base of the plate and strengthening brace ribs extending from the bottom of the plate across the scale-rib to the top of the plate”, and #509,111, to “plate for upright piano provided with a scale-rib and brace-ribs extending across the scale-rib”.