Ralf Hagemann

2 Patents

• US116683792023

  Spindle Drive Having a Reverse-lock Transmission

  D+H MECHATRONIC AG

  0 cites
• US115727302023

  Spindle Drive, Spindle Nut, and Louvre Window or Louvre Shutter Having a Spindle Drive

  D+H MECHATRONIC AG

  0 cites