Patents by Inventor Michael Levitt

Michael Levitt 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).

  • COMPOSITIONS AND METHODS FOR TREATING STROKE
    Publication number: 20210085713
    Abstract: The present application provides compositions and methods for treating stroke using mitochondria, precursor cells, and other compounds. It is demonstrated that focused ultrasound can be used as part of the treatment to selectively target the blood brain barrier to enhance the use of the treatments disclosed herein.
    Type: Application
    Filed: December 8, 2020
    Publication date: March 25, 2021
    Applicant: University of Virginia Patent Foundation
    Inventors: M. Yashar S. Kalani, Pedro Norat, Petr Tvrdik, Michael Levitt, Melanie Walker
  • Device for holding writing instruments
    Patent number: 5437399
    Abstract: A device for holding writing instruments has an elongated supporting member having a predetermined direction of elongation, a plurality of holding members arranged on the supporting member substantially side-by-side along the direction of elongation of the supporting member and each having at least one receptacle for receiving at least one writing instrument, each of the receptacles being elastically expandable so that a writing instrument can be introduced in the receptacle and then contractible so as to reliably retain the introduced writing instrument in the receptacle upon the contraction of the receptacle, the holding members being spaced from one another by a distance which is smaller than a size of each of the receptacles in the expanded position as considered in the direction of elongation of the supporting member, so that a writing instrument can be inserted into the receptacles but cannot be inserted into a space between the holding members.
    Type: Grant
    Filed: February 23, 1994
    Date of Patent: August 1, 1995
    Inventors: Michael Levitt, Gregory Gelman
  • Multiply mutated subtilisins
    Patent number: 5397705
    Abstract: A class of subtilisin analogs suitable for admixture to cleaning compositions and having improved stability over naturally occurring Bacillus subtilisins are prepared by expressing a modified gene encoding the subtilisin analog in Bacillus subtilis.
    Type: Grant
    Filed: March 25, 1992
    Date of Patent: March 14, 1995
    Assignee: Amgen Inc.
    Inventors: Mark M. Zukowski, Linda O. Narhi, Michael Levitt
  • Device for holding writing instruments
    Patent number: 5289961
    Abstract: A device for holding writing instruments has a supporting member, a plurality of holding members arranged on the supporting member and each having a receptacle for receiving a writing instrument, and a retainer to retain the supporting member on a part of body or clothes.
    Type: Grant
    Filed: February 20, 1992
    Date of Patent: March 1, 1994
    Inventors: Michael Levitt, Grigory Gelman
  • Subtilisin analogs
    Patent number: 4914031
    Abstract: A class of subtilisin analogs suitable for admixture to cleaning compositions and having improved stability over naturally occurring Bacillus subtilisins are prepared by expressing a modified gene encoding the subtilisin analog in Bacillus subtilis. The subtilisin analogs are characterized as having a modified calcium binding site to improve calcium binding and either an Asn or a Gly replaced in any Asn-Gly sequences present in the subtilisin.
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: April 3, 1990
    Assignee: Amgen, Inc.
    Inventors: Mark M. Zukowski, Yitzhak Stabinsky, Michael Levitt