Schweid & Sons Burgers The Katana Blend. Est. 1978. The very best burger. Highly marbled USDA wagyu beef with no added hormones or antibiotics. U.S. Inspected and passed by Department of Agriculture Est. 5907. 75% Lean. 25% Fat. 5.3 oz / patty. Net Wt. 21.2 oz (1.325 lb) 601 g. In the late 1800s, Harry Schweid started selling high quality meats to butchers and restaurants in New York city's lower east side. By the 1930s, his son Sam has his own business in Harlem, selling the best meat around. In 1978, we focused our expertise on one thing: Ground beef. Today, that passion is carried on with a single-minded dedication to producing the best tasting, highest quality burger. As sam always said, if you put only good meat into your burgers, only good things will come out. Visit: www.schweidandsons.com.