Patents by Inventor Ralph E. Harp

Ralph E. Harp 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).

  • Pharmaceutical unit dose package sealing apparatus and method
    Patent number: 5622028
    Abstract: A method and apparatus for cold sealing a pharmaceutical unit dose package of pills while the package is seated upon a resilient sealing tray. The unit dose package has a plurality of blisters for holding the pills. The sealing tray has a plurality of outwardly-opening compartments open to its upper side, and the compartments are spaced for receipt of the blisters of the unit dose package.
    Type: Grant
    Filed: July 25, 1995
    Date of Patent: April 22, 1997
    Inventor: Ralph E. Harp