Patents Assigned to Oregon Etablissement fur Patentverwertung
  • Patent number: 4817532
    Abstract: Fragmentation shell for grenades, particularly hand-grenades, consisting of a hollow body, the wall of which is made of metal particles embedded in plastic and which has a form stretched out of the spherical, e.g. an egg-shaped. The wall of the fragmentation shell in the transition zone between bottom surface and side surface and/or between shoulder surface and side surface has an axially symmetrical thickening, with an increased density of metal particles compared with the adjacent wall zones of the fragmentation shell.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: April 4, 1989
    Assignee: Oregon Etablissement fur Patentverwertung
    Inventor: Hans Assmann
  • Patent number: 4328755
    Abstract: A hand grenade whose interior is divided into two chambers receiving the explosive charge, said chambers being superjacently arranged and open in respect of each other, whereby the detonation wave originating from the detonator in the lower of said two chambers is influenced.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: May 11, 1982
    Assignee: Oregon Etablissement fur Patentverwertung
    Inventor: John J. Frost