Twitter 上的Maryland Science Ctr:"Today in Science History: In 1851, Isaac Merrit Singer patented his sewing machine for general domestic use. It incorporated the basic eye-pointed needle and lock stitch. https://t.co/dPTtK9c3yy" /
On August 12, 1851, Isaac M. Singer was granted a patent for the first practical and efficient sewing machine - This Day in Patent History - Patent Yogi LLC