Patents by Inventor Kevin M. Matzen

Kevin M. Matzen 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).

  • Clinical testing blinding tubes and method of assembly
    Patent number: 9498406
    Abstract: A blinding tube assembly for concealing a drug delivery tube includes a blinding tube having a tubular sleeve that bounds a compartment and a tubular dispersing stem projecting from an end of the sleeve. A drug delivery tube is inserted into the compartment through and access opening opposite the dispersing stem. The drug delivery tube has a tubular body and a dispensing stem extending from a drug delivery end thereof. A tubular bushing is disposed about the dispensing stem such that when the drug delivery tube is inserted, the dispensing stem is received into the dispersing stem of the blinding tube with the bushing disposed therebetween. An annular end face of the dispensing stem is not visible through a dispersing opening in the dispersing stem from outside the blinding tube.
    Type: Grant
    Filed: January 13, 2015
    Date of Patent: November 22, 2016
    Assignee: Fisher Clinical Services, Inc.
    Inventors: Michael T. Donschietz, Kevin M. Matzen
  • CLINICAL TESTING BLINDING TUBES AND METHOD OF ASSEMBLY
    Publication number: 20160199256
    Abstract: A blinding tube assembly for concealing a drug delivery tube includes a blinding tube having a tubular sleeve that bounds a compartment and a tubular dispersing stem projecting from an end of the sleeve. A drug delivery tube is inserted into the compartment through and access opening opposite the dispersing stem. The drug delivery tube has a tubular body and a dispensing stem extending from a drug delivery end thereof. A tubular bushing is disposed about the dispensing stem such that when the drug delivery tube is inserted, the dispensing stem is received into the dispersing stem of the blinding tube with the bushing disposed therebetween. An annular end face of the dispensing stem is not visible through a dispersing opening in the dispersing stem from outside the blinding tube.
    Type: Application
    Filed: January 13, 2015
    Publication date: July 14, 2016
    Inventors: Michael T. Donschietz, Kevin M. Matzen