Patents by Inventor Prakash Devasthal

Prakash Devasthal 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).

  • Patent number: 5068982
    Abstract: A fireboot comprising a boot having a lower portion and an upper portion. An aluminized pigment compound is vulcanized to the upper portion wherein the aluminized pigment compound is comprised of a mixture of rubber, ethylene-propylene-diene monomer, styrene-butadiene rubber, an aluminum pigment, and a liquid ethylene-propylene-terpolymer.
    Type: Grant
    Filed: May 11, 1990
    Date of Patent: December 3, 1991
    Assignee: Servus Rubber Company
    Inventor: Prakash Devasthal