• 

  US2027966A - Suspension device - Google Patents

  http://www.google.de/patents?id=1cBBAAAAEBAJ&printsec=abstract&zoom=4&dq=Dubonnet+suspension+General#PPP1,M1

  Keine Beschreibung vorhanden.

• 

  US3658397A - Desk - Google Patents

  http://www.google.de/patents?id=dDkrAAAAEBAJ&dq=%22Ernest+Hofmann-Igl%22&printsec=frontcover&source=bl&ots=Wo5ggasYsn&sig=27Fe4w

  Desk comprising two boxes connected in spaced relationship via a cover and a back wall wherein the two boxes with the back wall and upper cover are formed by a one-piece fabricated hard foam body which is open in the region of the front side and the…

---

---