The company manufactures a number of glassware products, primarily tableware, drinkware and stemware. The range consisted of crystal stemware, barware, vases, and sculptures and lighting products in crystal. Wine glasses are typically stemware, i.e. goblets formed from a bowl, stem, and foot. Fostoria's Novelty Glass Company produced "fine lead blown tumblers" and stemware. Stemware is drinkware that stands on stems above a base. It was used for stemware and tableware. In 2009, Riedel designed stemware specifically for wine made from the Norton grape. Sake stemware, as well as glass tokkuri, are now commonly used to serve chilled sake. In addition to individual pieces of crystal, the company made crystal stemware. These are Gespritze served in 0.25 litre stemware or glasses with a handle. Approximately 100 people were employed making drinking glasses and stemware. The factory, founded by Christian Dorflinger, was renowned for its cut glass and stemware. Among "Jamestown" stemware, ruby is valued higher than other colors by collectors. A few of Seneca's stemware designs were patented. The two travel the world to educate over 20,000 people annually on variety specific stemware.