Patents Assigned to Matra-Tech Thermal & Acoustic Services Limited
  • Suspended ceiling
    Patent number: 4169340
    Abstract: Ceiling panels are supported by parallel members. On one side each member has a flange extending into a slot in each adjacent panel and springs resisting motion of the panels towards the member. On the other side each member has a flange extending into a slot in each adjacent panel. Each panel is supported by two members and is movable against the action of the associated spring of one member in order to release the panel from the other member.
    Type: Grant
    Filed: February 17, 1978
    Date of Patent: October 2, 1979
    Assignee: Matra-Tech Thermal & Acoustic Services Limited
    Inventor: Timothy J. Watson