Patents by Inventor Graeme L. J. Patterson

Graeme L. J. Patterson 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).

  • Particle delivery device
    Patent number: 6328714
    Abstract: Replaceable components for use with a needleless syringe delivery device are provided. One replaceable component is a cartridge having a source of particles and a source of compressed gas. Another replaceable component is a nozzle assembly having a particle acceleration nozzle and a coaxial filter element. Reusable needleless syringe devices which include these replaceable components are also provided.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: December 11, 2001
    Assignee: PowderJect Research Limited
    Inventors: Emily L. Bellhouse, Stuart G. Weekes, Graeme L. J. Patterson