Patents by Inventor James R. Alker

James R. Alker 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).

  • Universal waste and overflow drain assembly
    Patent number: 4920582
    Abstract: A universal bath waste and overflow drain assembly (10) comprises an overflow tube (12), drain pipe (14), t-connector (16), and an adapter (18) which can be interchanged and connected as desired in different drain configurations according to the requirements of the particular.
    Type: Grant
    Filed: June 20, 1989
    Date of Patent: May 1, 1990
    Inventor: James R. Alker