Li-Feng Cheng

Person

  • Miao-Li Hsien, TW

Patents Grantslast 30 patents

  • Information Patent Grant

    Desktop paper shredder

    • Patent number 5,853,131
    • Issue date Dec 29, 1998
    • Li-Feng Cheng
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...