Patents by Inventor James D. Berry

James D. Berry 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).

  • Computer display controller with reconfigurable frame buffer memory
    Patent number: 5062057
    Abstract: A computer display controller (50) cooperates with a host microprocessor (18) to direct display data to a frame buffer memory (16) in accordance with a selected one of multiple frame buffer memory configurations (20 and 30). The display controller includes an address decoder circuit (58) that delivers address information generated by the host microprocessor to the address inputs (64) of the frame buffer memory in accordance with the selected frame buffer memory configuration.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: October 29, 1991
    Assignee: E-Machines Incorporated
    Inventors: Laurin G. Blacken, James D. Berry
  • Vibratory compactor attachment
    Patent number: 3930741
    Abstract: A compactor tool for use in conjunction with a mobile prime mover having a vibratory frame to which said tool is mounted. A tool shank is adapted for selective mounting to the vibratory frame and carries a compactor shoe pivotally mounted to the shank lower end, said shoe compacting filled or partially filled conduit burial trenches. Shoes of different widths are readily attachable to said shank for the compacting task at hand. Fluid dispersal means delivers fluid in a metered manner to the shoe when used for compacting paved surfaces.
    Type: Grant
    Filed: October 15, 1974
    Date of Patent: January 6, 1976
    Inventor: James D. Berry