Patents by Inventor Richard E. Letham

Richard E. Letham 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).

  • Drive mechanisms suitable for use in drug delivery devices
    Patent number: 7993301
    Abstract: The present invention relates to drive mechanisms suitable for use in drug delivery devices, in particular pen-type injectors, wherein a number of pre-set doses of medicinal product can be administered. In particular, the present invention relates to such drug delivery devices where a user may activate the drug delivery device.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: August 9, 2011
    Assignee: Sanofi-Aventis Deutschland GmbH
    Inventors: Malcolm Boyd, Richard E. Letham, David Plumptre, Robert Veasey, James May, Matthew Jones, Samuel Ghazaros
  • Drive mechanisms suitable for use in drug delivery devices
    Publication number: 20100094207
    Abstract: The present invention relates to drive mechanisms suitable for use in drug delivery devices, in particular pen-type injectors, wherein a number of pre-set doses of medicinal product can be administered. In particular, the present invention relates to such drug delivery devices where a user may activate the drug delivery device.
    Type: Application
    Filed: May 15, 2009
    Publication date: April 15, 2010
    Applicant: SANOFI-AVENTIS DEUTSCHLAND GMBH
    Inventors: Malcolm Boyd, Richard E. Letham, David Plumptre, Robert Veasey, James May, Matthew Jones, Samuel Ghazaros