Patents by Inventor George A. Greenberg

George A. Greenberg 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).

  • Patent number: 4958846
    Abstract: A leaf carrying cart having a pair of U-shaped members abutting each other and supporting a base, with truss-like members on the side for supporting wheels. A removable handle which does not interfere with the loading or unloading of leaves can be used at either end of the cart. The cart makes a shallow angle with the ground when tipped for loading and unloading.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: September 25, 1990
    Inventor: George Greenberg
  • Patent number: 4957306
    Abstract: A leaf carrying cart having a pair of rectangular frames supporting a pair of baskets hinged at the top to permit the forward basket to rotate between a first position where the two baskets are extended and a second position with one basket folded on top of the other. One of the baskets is provided with an opening for the discharge of contents of the cart and a rotating cover to either open or close the opening.
    Type: Grant
    Filed: June 21, 1989
    Date of Patent: September 18, 1990
    Inventor: George Greenberg
  • Patent number: 4357624
    Abstract: An improved interactive image processing system (200,300) is provided which is capable of simultaneous processing of at least two different digitized composite color images to provide a displayable resultant composite color image. Each of the digitized composite color images have separate digitized red, blue and green image components and have an associated image information content. The system (200,300) includes separate image storage planes (246,346,70',72',74',70",72",74",70"',72'", 74"',370,372,374,370',372',374',370",372",374) for retrievably storing each of the digitized red, blue and green image components or other image data as well as graphic planes (78',378) for storing graphic control data for processing of the images.
    Type: Grant
    Filed: March 20, 1981
    Date of Patent: November 2, 1982
    Assignee: Combined Logic Company
    Inventor: George A. Greenberg
  • Patent number: 4258385
    Abstract: The present invention relates to video production systems and methods and particularly to such systems and methods in which the video characteristics of the video frames may be interactively controlled during video production.
    Type: Grant
    Filed: May 15, 1979
    Date of Patent: March 24, 1981
    Assignee: Combined Logic Company
    Inventors: George A. Greenberg, Wayne Duncan