Shredder importer Jack Preiss says the first commercial patent was issued in 1935, with a concept borrowed from a Bavarian noodle cutter.

• 碎纸机进口商杰克 - 普赖斯说，第一项商业专利是1935年发布的，当时是从一种巴伐利亚轧面机中获得的灵感。