Patents by Inventor Basil J. May

Basil J. May 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).

  • Waterproof membrane
    Patent number: 4751122
    Abstract: A preformed structure comprising a sheet-like substrate with a release coating on one side and a waterproofing pressure sensitive adhesive permanently attached to the other side.
    Type: Grant
    Filed: April 24, 1986
    Date of Patent: June 14, 1988
    Assignee: W. R. Grace Ltd.
    Inventor: Basil J. May