Magnetic Stud Finder Design Holds Value Despite Expired Patent
The Qwik Mag II™ magnetic stud finder, known for its strong magnetic force, battery-free operation, and rapid location capabilities, received a US patent (Patent No. US D614980 S). This product utilizes rare earth magnets and features a spherical design, enabling users to precisely locate studs or screws. Although the patent has expired, its design concept and innovative spirit remain valuable for reference. It offers a simple and effective solution for finding hidden metal objects behind walls.
