Patents by Inventor Krzysztof W. Zak

Krzysztof W. Zak 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: D365758
    Type: Grant
    Filed: November 8, 1994
    Date of Patent: January 2, 1996
    Assignee: Unipath Limited
    Inventors: Krzysztof W. Zak, David J. Wood
  • Patent number: D372070
    Type: Grant
    Filed: November 8, 1994
    Date of Patent: July 23, 1996
    Assignee: Unipath Limited
    Inventors: Krzysztof W. Zak, David J. Wood