Patents by Inventor Frances D. Mrdjenovich

Frances D. Mrdjenovich 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: 5826373
    Abstract: A product is hereby disclosed for landscaping using artificial boulders which simulate the appearance of natural boulders each comprising a hollow enclosure formed by upper and lower sections, wherein the upper and lower sections cooperate with one another to provide a friction fit, and wherein the boulders each include an integrally molded planting pocket extending inwardly from the exterior of the upper section and having a removable plug to allow for drainage of water.The boulders can be made in a variety of shapes and colors from linear or cross-linked polymers that are resistant to degradation from sunlight and extremes in outside temperatures, or from ceramic materials, or from polymeric and ceramic materials. The product can be made with polymer or ceramic shaping processes. Surfaces can be laminated or coated with polymeric or ceramic materials during processing to further simulate the appearance of natural rock boulders.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: October 27, 1998
    Inventor: Frances D. Mrdjenovich