Manfrid Dreher

Person

  • Engelsbrand, DT

Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal drum polishing machine

    • Patent number 4,073,095
    • Issue date Feb 14, 1978
    • Manfrid Dreher
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Drum polishing apparatus

    • Patent number 3,965,620
    • Issue date Jun 29, 1976
    • Dr.-Ing. Manfrid Dreher KG apparatebau und chemisch Verfahrenstechnik fur Obe...
    • Manfrid Dreher
    • B24 - GRINDING POLISHING