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| Number | Title | Issue Date |
| 5119174 | Light emitting diode display with PCB base A light emitting diode display with PCB base, LED members affixed thereon by conductive epoxy, and bonding wire, wherein the PCB is punched with reflector dish on each LED die attach zone so as to reflect and concentrate the light emitted from the LED to ... | 06/02/1992 |
| 5029806 | Foot-controlled water faucet A foot-controlled water faucet for regulating the outflow of water from a water faucet by means of air pressure comprises a compressing bladder connected with an air bladder in the water faucet by a passageway, a valve block, a ring body and a knob associ... | 07/09/1991 |
| 5019044 | Safety hypodermic syringe A safety hypodermic syringe includes a hypodermic needle fixedly connected to holder plate and constantly supported by a spring means for making axial movement, which holder plate is normally retained by a clamping means at a ready position for injection.... | 05/28/1991 |
| 4972784 | Intellectronic safe deposit box An intellectronic safe deposit box which is generally comprised of a housing and an electronic security control portion and characterized in that any wrong numerical code input made by burglar will be immediately detected by means of electronic control an... | 11/27/1990 |
| 4956984 | Locking device A dual locking latches locking device uses an electronic system or mechanical transmission system to respectively control its own open and close motions. Its dual latches are controlled respectively by two clutch transmission mechanisms. When a user inser... | 09/18/1990 |
| 4956580 | Automatic car lamps lighting controller An automatic car lamps lighting controller to provide warning light in the daytime as well as in the night. The system includes an induction coil for detecting the start up of the car engine, an amplifier circuit, a comparator, control relays, and a night... | 09/11/1990 |
| 4939432 | AC/DC automatic changeover and automatic charge device The AC/DC changeover device automatically changes from AC to DC current by setting a TRIAC on or off, to supply DC from a battery in the absence of AC, for powering an air pump for an aquarium.... | 07/03/1990 |
| 4924209 | Car fender with brake light device A car fender with brake light device, including a fender sheet having a light seat, a circuit board having brake lights, and a light cover fitted to the light seat to encapsulate the circuit board for waterproof ability, by means of a set of wires and con... | 05/08/1990 |
| 4834206 | Hydraulic drive automobile horizontal driving device Four lift units are installed at the axle shaft of the car wheels and can be swung from the bottom plate by means of a hydraulic drive motor, to enable the car to move horizontally to the left or to the right into a parking space. Besides enabling the car... | 05/30/1989 |
