Patents by Inventor Helmut Heim

Helmut Heim 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: 4159686
    Abstract: Process for smoothing the eye of a needle during maufacture using high power density radiation from a laser to melt the surfaces of the eye area and subsequently permitting the melted surfaces to solidify giving smoother surfacing.
    Type: Grant
    Filed: November 23, 1976
    Date of Patent: July 3, 1979
    Assignee: Manufacture Belge d'Aiguilles S.A.
    Inventor: Helmut Heim