"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 7337946 | Device for resolving interpersonal relationship issues A device for resolving interpersonal relationship issues comprising: (a) a plurality of text sheets comprised of flexible, transparent material; (b) a rigid front cover; and (c) a rigid back cover; wherein each text sheet comprises an opaque band bearing text on eit... | 03/04/2008 |
| 4775780 | Blood alcohol indicator Alcohol pieces representing alcohol consumed are placed on one side of a balance board supported by as support structure. A time piece (or pieces) representing the alcohol oxidized by the body in a period of time is placed on the other side of the balance... | 10/04/1988 |
| 4631393 | Calorie counting device A calorie counting device comprising a plurality of activity pieces and consumption pieces, a support structure, a balance board and a scale means. The balance board is balanced on said structure along a line that defines a center line. The board has a pl... | 12/23/1986 |