smund Kresson invented the Uppland runestone style; he listed himself as smundr Kri's son on some of his work.
Asmund is the inventor of the classic Uppland runestone style with one or two animals (rundjur) showing their heads in profile. In addition, in two inscriptions, U 956 in Vedyxa and Gs 11 in Jarvsta, Asmund listed his patronym with the text osmuntr kara sun or "Asmundr Kari's son." 
