founded in 1957 bunn-o-matic corporation introduced the first paper coffee filter and in 1963 the "pourover" coffee brewer for commercial users. today bunn continues to design and manufacture innovations in commercial beverage equipment and home coffee brewers from its headquarters in springfield illinois. bunn coffee brewers are proudly made in america.convenient front-loading hoppers allow grinding of a wide variety of coffees hoppers hold up to 6 lbs.