Patents by Inventor Manfred Krasselt

Manfred Krasselt 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).

  • Infectious bronchitis vaccine for poultry
    Patent number: RE34013
    Abstract: Infectious bronchitis (IB) vaccines for poultry derived from at least one novel virus strain of novel infectious bronchitis serotypes, selected from the group consisting of culture Nos. CNCTC A 07/80, CNCTC A 08/80, CNCTC A 09/80, CNCTC A 010/80, CNCTC A 011/80, CNCTC A 013/80, CNCTC A 014/80, CNCTC A 015/80 and CNCTC A 016/80 deposited at the Czechoslovak National Collection of Type Cultures of the Institute of Hygiene and Epidemiology in Prague, Czechoslovakia and the novel viruses per se, combined virus vaccines and a novel method of protecting poultry from infectious bronchitis.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: July 28, 1992
    Assignee: Gist-Brocades N.V.
    Inventors: Peter Apontoweil, Manfred Krasselt