About 2 Trademarks found that are owned by FIlter Mfg

Clothing, namely, button down shirts, polo shirts, dress shirts, sweaters, jeans, skirts, blouses, T-shirts, jackets, surf trunks, namely, swimming trunks, walking shorts; outerwear, namely, lined jackets, coats, wind resistant jackets, warm-up jackets, sweatshirts, and sweat pants; headwear, namely, hats, caps and visors not sold at concert venues, or sold via concert related merchandise outlets

clothing and apparel, namely, button down shirts, polo shirts, fashion tops, sweaters, jeans, pants, skirts, blouses, dresses, swim wear, T-shirts, jackets, undergarments, surf trunks, walk shorts, and snowboard jackets; footwear, namely, shoes, sandals, and socks; outerwear, namely, lined jackets, coats, wind resistant jackets, warm-up jackets, sweatshirts and sweat pants; headwear, namely, hats, caps, visors, beanies, and bandannas; none of the foregoing items are sold at concert venues, or sold via concert related merchandise outlets