Patents by Inventor Kraig M. Keister

Kraig M. Keister 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).

  • Kit assembly for use during a laparoscopic surgical procedure
    Patent number: 5453094
    Abstract: A kit assembly for use during a laparoscopic surgical procedure. The kit assembly may have a plurality of cannula or a plurality of trocar assemblies. The kit assembly affords the convenient use of different types of trocar or cannula assemblies during a laparoscopic surgical procedure.
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: September 26, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gerald L. Metcalf, Vern E. Radewald, Melinda K. Samples, Kraig M. Keister, George L. Sommerfeld, Alan J. Solyntjes