Patents by Inventor Pravin L. Shah

Pravin L. Shah 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).

  • Perfume-containing cake, process for making it, and articles using it
    Patent number: 6399027
    Abstract: A perfumed cake and a method for making it. The cake is resistant to higher temperatures such as those produced by hair dryers and can provide perfume for its air stream. The cake is molded from a mixture of two kind of pellets. The first kind of pellet is a mixture of virgin polypropylene, virgin polyethylene or their combinations, and perfumed. The second kind of pellet is a mixture of virgin polypropylene virgin polyethylene or their combinations, and glass fibers. The two kinds of pellets are mixed and molded into a cake.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: June 4, 2002
    Inventors: Pravin L. Shah, Merrill Heatter