Patents by Inventor Arne T. Wannag

Arne T. Wannag has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4263898
    Abstract: A disposable one-piece vaginal speculum is self-holding in various opening positions of the blades of the speculum by means of integral latching mechanism and the speculum has handle portions to be grasped by one hand and being located outside the visual field through the speculum but in such vicinity to said latching means that the latter may be manipulated by one of the fingers of the hand grasping the handle portions.Preferably the latching mechanism comprises a resilient arcuate latching tongue having a plurality of latching teeth each being engageable with a tooth of one of the handle portions.
    Type: Grant
    Filed: June 4, 1980
    Date of Patent: April 28, 1981
    Inventor: Arne T. Wannag
  • Patent number: 4044771
    Abstract: A forceps made in one piece of a plastic material has two arms having each a flat tip of a rectangular or square configuration. Said tips face each other and the arms are of a rigid beam-shaped structure but join in flexible portions. Near to the transition between said beam-shaped structure and said flexible portion each arm has a projection and said projections are dimensioned to engage each other when said tips are pressed against each other surface to surface.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: August 30, 1977
    Inventor: Arne T. Wannag
  • Patent number: D267509
    Type: Grant
    Filed: August 2, 1979
    Date of Patent: January 4, 1983
    Assignee: Fogless AB
    Inventor: Arne T. Wannag