Patents by Inventor Ralph H. McDaniel

Ralph H. McDaniel 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).

  • Flotation garment
    Patent number: 4181993
    Abstract: A flotation garment employs first and second sheets of a thermoplastic film bonded face to face along a rectilinear grid work of seams forming a spaced array of mutually isolated air cells, so that the garment will not substantially lose its buoyancy when a portion of the cells are punctured. The bonded seams are perforated at selected points to enable adequate ventilation.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: January 8, 1980
    Inventor: Ralph H. McDaniel