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| Number | Title | Issue Date |
| 7048391 | Personal reflector An apparatus comprises a structure having first and second opposite reflective sides and adapted to be removably attached to clothing. A method for signaling the presence of a user comprises providing a structure having first and second opposite reflective sides bei... | 05/23/2006 |
| 6777701 | Thermal radiation marker Emitter controller including a controller, and a power amplifier, the controller being connected to a power source, the power amplifier being connected to the controller, the power source and to an emitter, the controller providing a pulse sequence to the power ampl... | 08/17/2004 |
| 5777810 | Reinforced signal mirror A signal mirror assembly has a laminated sandwich construction and includes a transparent center sighting disk. The disk interconnects a relatively thick plastic front sheet with a thin rear plastic sheet to provide enhanced structural integrity and to el... | 07/07/1998 |
| 5617247 | Light signaling device A method and apparatus is described for producing a signaling device which uses sunlight or moonlight to signal a target by retroreflecting light through a window provided on the light reflective material of a mirror. A specular light reflective material ... | 04/01/1997 |
| 4754565 | Distress sign A distress sign which is adapted for placement on the upper edge of a vertically movable window of a vehicle. The sign includes a pair of elongate, substantially rigid display panels each having upper and lower marginal edges and end edges. The panels are... | 07/05/1988 |
| 4712420 | Arrangement in a magnetic position indicator Apparatus for sensing the relative position between a fixed first machine component and an axially displaceable and pivotably mounted second machine component includes first and second bar-shaped magnets disposed at mutually right angles and rigidly conne... | 12/15/1987 |
| 4395828 | Combination geodetic transit compass and signal mirror A geodetic compass having a mirrored cover that has the dual purpose of providing means for reading the compass needle orientation for geodetic purposes, while at the same time having cross hatch diffractional sighting means incorporated in said cover and... | 08/02/1983 |
| 4024828 | Signaling device This invention is for a portable signaling device which provides the user with the ability to accurately position the device in a manner to be assured that the reflections from the mirror-like surface forming a part of the signaling device are directed at... | 05/24/1977 |
