Patents by Inventor Paul A. Rohlf

Paul A. Rohlf 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).

  • Cell culture vial
    Patent number: 5462875
    Abstract: An apparatus for maintaining a biological sample on a support is disclosed. The apparatus comprises a hollow chamber with internal and external surfaces and a first and second end. The first end is open and is adapted for attachment to a first closure member. The second end is either closed or open. If open, the second end is adapted for attachment to a second closure member. The apparatus provides for maintaining the support in contact with a liquid medium at all times regardless of the orientation of the apparatus. In a preferred embodiment, the apparatus provides for maintaining the original orientation of a non-integral support regardless of the orientation of the apparatus. The apparatus is useful for isolating and culturing microorganisms.
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: October 31, 1995
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Stephen M. Barr, Paul A. Rohlf
  • Cell culture vial
    Patent number: 5071766
    Abstract: An apparatus is disclosed for maintaining a biological sample on a support. The apparatus has a hollow chamber with internal and external surfaces and first and second ends. The first and second ends have first and second releasable closures. The apparatus maintains the support in contact with a liquid medium at all times regardless of the orientation of the apparatus. The apparatus is useful for isolating and culturing microorganisms.
    Type: Grant
    Filed: May 2, 1990
    Date of Patent: December 10, 1991
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Stephen M. Barr, Paul A. Rohlf
  • Cell culture vial
    Patent number: 4939152
    Abstract: An apparatus for maintaining a biological sample on a support is disclosed. The apparatus comprises a hollow chamber with internal and external surfaces and a first and second end. The first end is open and is adapted for attachment to the first closure means. The second end is either closed or open. If open, the second end is adapted for attachment to a second closure means. The apparatus provides means for maintaining the support in contact with a liquid medium at all times regardless of the orientation of the apparatus. In a preferred embodiment, the apparatus provides means for maintaining the original orientation of a non-integral support regardless of the orientation of the apparatus. The apparatus is useful for isolating and culturing microorganisms.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: July 3, 1990
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Stephen M. Barr, Paul A. Rohlf
  • Cell culture vial
    Patent number: 4845038
    Abstract: An apparatus for maintaining a biological sample on a support is disclosed. The apparatus comprises a hollow chamber with internal and external surfaces and a first and second end. The first and is open and is adapted for attachment to the first closure means. The second end is either closed or open. If open, the second end is adapted for attachment to a second closure means. The apparatus provides means for maintaining the support in contact with a liquid medium at all times regardless of the orientation of the apparatus. In a preferred embodiment, the apparatus provides means for maintaining the original orientation of a non-integral support regardless of the orientation of the apparatus. The apparatus is useful for isolating and culturing microorganisms.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: July 4, 1989
    Assignee: Syntex (U.S.A) Inc.
    Inventors: Stephen M. Barr, Paul A. Rohlf