Patents by Inventor Donald Portfolio

Donald Portfolio 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: 9273228
    Abstract: What is provided are compositions of matter and methods for making compositions of matter, which comprise liquid roof coating products and/or roof cement products comprising recycled scrap asphalt shingle that is dry processed without adding heat or liquid into particles substantially within the range of 10-40 mesh size, and which are post added to a liquid mixture to compose a roof coating and/or roof cement product.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: March 1, 2016
    Assignee: Gardner Asphalt Corporation
    Inventors: Raymond Hyer, Donald Portfolio