Patents by Inventor Stephen John Ruskewicz

Stephen John Ruskewicz 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).

  • Fluid velocity-sensitive trigger mechanism
    Patent number: 6443151
    Abstract: The invention provides a triggering mechanism for actuating a trigger signal in response to a pre-determined rate of fluid flow through the mechanism. Triggering mechanism generally includes a sliding piston within an air channel, held in place by a resistance structure. Further provided are aerosol delivery devices having triggering mechanism.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: September 3, 2002
    Assignee: Aradigm Corporation
    Inventor: Stephen John Ruskewicz