Kolo Rose is named for Wiener WerkstÃÆ€™Ã‚¤tte co-founder Koloman Moser, who designed the rose signet in 1903. Moser‚‰‚¬Å¾Ã‚¢s rose became a recognizable WerkstÃÆ€™Ã‚¤tte trademark.