Patents by Inventor Diarmuid Justin McSweeney

Diarmuid Justin McSweeney 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).

  • Ceiling support grid system
    Patent number: 4047348
    Abstract: A ceiling support grid system is disclosed herein and includes a plurality of longitudinally extending support runners which are interlocked together to form an integral grid pattern, preferably a basketweave pattern. The runners are interlocked together by two separate and distinct but cooperating arangements in a rapid and reliable manner and without the need for separate tools and without bending or otherwise deforming any components associated with these interlocking arrangments.
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: September 13, 1977
    Assignee: Johns-Manville Corporation
    Inventor: Diarmuid Justin McSweeney