![]() deburring tools in the world. Is this a bold statement? Probably. But we are that confident in our quality and innovation. U.S. and international patents. · Patent # 4,147,4631 · Patent # 5,277,528 · Patent # 5,358,363 · Patent # 5,501,554 · Patent # 6,533,505 · Patent # 8,252,553 |