Patents by Inventor Charles David

Charles David 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).

  • Publication number: 20220110382
    Abstract: Illustrated views of an exemplary face mask device for use to prevent the spread of viruses is presented. The face mask device is useful for providing a comfortable, tight fit. The face mask device provides coverage of a face of a user over a nose, a mouth and wrapping around a chin of the user. The face mask device is washable and reusable. The face mask device is cost efficient and provides easy replacement of one or more straps that keep the face mask device in a predetermined position on the face of the user.
    Type: Application
    Filed: October 10, 2020
    Publication date: April 14, 2022
    Inventor: Charles David
  • Patent number: 9206426
    Abstract: Provided herein are methods to reduce or slow down cell growth, for example in a cancer cell comprising contacting a cell with an effective amount of a combination of inhibitory RNA molecules targeting hnRNPA1, hnRNPA2 and PTB. Provided are methods to identify agents which reduce the levels of hnRNPA1, hnRNPA2 or PTB. Provided are methods to identify agents which increase ratio of PKM1/PKM2 proteins, or reduce PKM2 levels, or increase PKM1 levels.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: December 8, 2015
    Assignee: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
    Inventors: James L. Manley, Mo Chen, Charles David, Jian Zhang
  • Publication number: 20130203835
    Abstract: Provided herein are methods to reduce or slow down cell growth, for example in a cancer cell comprising contacting a cell with an effective amount of a combination of inhibitory RNA molecules targeting hnRNPA1, hnRNPA2 and PTB. Provided are methods to identify agents which reduce the levels of hnRNPA1, hnRNPA2 or PTB. Provided are methods to identify agents which increase ratio of PKM1/PKM2 proteins, or reduce PKM2 levels, or increase PKM1 levels.
    Type: Application
    Filed: March 7, 2011
    Publication date: August 8, 2013
    Inventors: James L. Manley, Mo Chen, Charles David, Jian Zhang