Patents by Inventor Calvin C. Sebring

Calvin C. Sebring 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).

  • Publication number: 20110048854
    Abstract: The present invention is directed toward a protective cover adapted for covering the end of a ladder leg in order to prevent damage to buildings or other structures when the ladder is in use. In addition, a cover with non-skid properties is disclosed, such that the device can be used to prevent a ladder from slipping against the ground or a structure and causing injury to a user or property.
    Type: Application
    Filed: August 24, 2010
    Publication date: March 3, 2011
    Inventors: Clifford Sebring, Calvin C. Sebring, Sylvia T. Sebring