Treadwell and Watson vs. Bladen
“This was an action on the case for an infringement of a patent granted to Edward Treadwell on the 181h of May 1826, for an improvement in the art of manufacturing biscuit and sugar, bread. The schedule describes the whole instrument, viz. the circular knives, dotters, clearers, the holes and the niches for connecting the cakes and clearing away the loose dough, as in the former patent.