Patents by Inventor Stephen H. Szczepanik

Stephen H. Szczepanik 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).

  • Vehicle for delivery of particles to a sample
    Patent number: 5962310
    Abstract: The present invention relates to a vehicle for delivery of particles to a sample of cells. The vehicle includes a barrier to retain the particles, which barrier is a dissolvable material Once released into the sample, the particles are useful in methods to lyse or disrupt cells or in methods to separate cellular components from one another if the cells in the sample are already lysed or disrupted.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: October 5, 1999
    Assignee: Becton Dickinson and Company
    Inventors: Matthew P. Collis, Stephen H. Szczepanik
  • Vehicle for delivery of particles to a sample
    Patent number: 5840878
    Abstract: The present invention relates to a vehicle for delivery of particles to a sample of cells. The vehicle includes a barrier to retain the particles, which barrier is a dissolvable material. Once released into the sample, the particles are useful in methods to lyse or disrupt cells or in methods to separate cellular components from one another if the cells in the sample are already lysed or disrupted.
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: November 24, 1998
    Assignee: Becton Dickinson and Company
    Inventors: Matthew P. Collis, Stephen H. Szczepanik