Patents by Inventor Samuel J. Paul

Samuel J. Paul 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).

  • Means for inhibiting the separation of toner particles from dispersant in a copy machine
    Patent number: 4236810
    Abstract: This invention includes timer means in combination with switching means disposed in a copying machine for cyclically and automatically activating a pump which circulates liquid developer through the copying machine for a predetermined period of time thereby periodically mixing the toner particles and dispersant in the liquid developer while also rotating the copier drum through an incremental angle thereby periodically immersing each section of the drum surface in the liquid developer reservoir.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: December 2, 1980
    Assignee: Sperry Corporation
    Inventor: Samuel J. Paul