Resources Contact Us Home
Roadside emergency signalling device

Image Number 2 for United States Patent #4178874.

A plastic information and signalling device having a cross-sectional triangular configuration which is adapted to hang over a partially opened vehicle window to communicate to observers the desired information or signal. The device has pockets into which information and signalling signs may be inserted to visibly display the message on these signs. The device is collapsable into a rectangular shape for convenient storage.

  Recently Added Patents
High-efficiency preambles for communications systems over pseudo-stationary communication channels
Lighting control device and lighting control method
Regulating a supply voltage provided to a load circuit
Method for inhibiting thermal run-away
Electronic device including predicted frequency error estimation of a voltage controlled oscillator and related methods
Intrinsic absorber layer for photovoltaic cells
Method for driving electrophoretic display device, electrophoretic display device, and electronic device
  Randomly Featured Patents
Method for calculating frequency-dependent impedance in an integrated circuit
Aqueous treatment compositions and polymers for use therein
Predicting cylinder pressure for on-vehicle control
Cross-linkable polymeric compositions, process for their preparation and manufactured articles obtained therefrom
Enhanced efficiency valve actuator
Tubular titanium oxide particles and process for preparing same
Morphogen treatment of gastrointestinal ulcers
Lighting fixture
Actuating device for rotating shafts
Automatic selection of favorite media selections of a user of a media presentation device