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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 |
| 5397981 | Digital storage oscilloscope with automatic time base A digital storage oscilloscope capable of acquiring and displaying input signals over a wide range of frequencies, and automatically establishing, by menu setups or user selection, any of a number of cycles of an input signal for viewing. An input analog ... | 03/14/1995 |
| 5296869 | Digital engine analyzer A digital engine analyzer has an oscilloscope display and is controlled by microprocessors operating under menu-driven stored program control. The analyzer receives analog input signals from an engine being analyzed and calculates and display spark plug b... | 03/22/1994 |
| 4804921 | Digital engine analyzer A microprocessor controlled digital engine analyzer receives analog input signals from an engine being analyzed, engine parameter data entered via a keyboard, and function data, selecting one of several operating modes for the analyzer and which informati... | 02/14/1989 |
| 4379263 | Engine analyzers An engine analyzer, for analyzing ignition voltage or current signals in an engine of the kind in which each spark plug is fed with a succession of pulses, alternate pulses producing real sparks to ignite the petrol/air mixture, the other pulses producing... | 04/05/1983 |
| 3959725 | Distributor voltage sensor The disclosure describes an ignition system for an internal combustion engine fitted with a plurality of spark plugs. The engine rotates a distributor that includes a primary coil which induces voltages in a secondary coil. The secondary coil voltages are... | 05/25/1976 |
