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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 5459417 | Apparatus for detecting DC content of an AC waveform A circuit for monitoring the DC content of an AC waveform includes a differential amplifier having one input connected to the AC waveform and the other input connected to a capacitive-coupled network that eliminates any DC component in the AC waveform at ... | 10/17/1995 |
| 4962321 | Three terminal replacement for unijunction transistor A three terminal replacement circuit for a Unijunction Transistor. The circuit simulates the characteristics and parameters of any UJT with appropriate selection of components. The circuit includes a first node having a voltage in accordance with a biasin... | 10/09/1990 |
| 4423374 | Unbalanced current detector for three phase electrical system An unbalanced current detector for a three phase electrical system of the type including a current transformer (4, 6, 8) for each phase ($c;A, $c;B, $c;C) and a burden resistor (16) which receives a rectified output of the current transformer is ... | 12/27/1983 |
