Patents by Inventor John Shabushnig

John Shabushnig 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).

  • Device for the accurate dispensing of small volumes of liquid samples
    Patent number: 4492322
    Abstract: A device for accurately dispensing small volumes of liquids in the form of uniform droplets. The dispensing device communicates with a source of compressed air which, during start-up transience of the dispensing device, directs a jet of compressed air at the trajectory of dispensed droplets, thereby deflecting the droplets out of their normal trajectory and away from the collecting surface or container and allowing accurate dispensing.
    Type: Grant
    Filed: April 30, 1982
    Date of Patent: January 8, 1985
    Assignee: Indiana University Foundation
    Inventors: Gary M. Hieftje, John Shabushnig