Patents by Inventor Robert C. Wadams

Robert C. Wadams 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).

  • Clump recognition animal litter
    Patent number: 8156896
    Abstract: The present invention is directed towards a clump recognition animal litter that enables a user to visually identify and dispose of all used litter portions from unused litter, regardless of clump size and clump location within the litter. The clump recognition animal litter comprises a clumping component and a color-indicating material. The litter clumps and displays a color in response to wetness.
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: April 17, 2012
    Assignee: Church & Dwight Co., Inc.
    Inventors: Robert C. Wadams, Steven T. Adamy, Frederick Lawson, Patricia Pulido, Kenneth E. Kellar
  • CLUMP RECOGNITION ANIMAL LITTER
    Publication number: 20090255478
    Abstract: A clump recognition animal litter is disclosed that enables a user to visually identify and dispose of all used litter portions from unused litter portions regardless of clump size and clump location within the litter. The clump recognition animal litter comprises a clumping component and a color indicating material. A wetted litter clumps and displays a color in response to wetness.
    Type: Application
    Filed: November 20, 2007
    Publication date: October 15, 2009
    Inventors: Robert C. Wadams, Stevem T. Adamy, Frederick Lawson, Patricia Pulido, Kenneth E. Kellar