Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 5361434 | Stackable bedding foundation A nestably stackable bedding foundation assembly which replaces the traditional border wire and disposed coil spring foundation assembly in a so-called box spring. The nestably stackable foundation assembly may be nestably stacked with numerous other such... | 11/08/1994 |
| 4819920 | Spring coil assembly A spring cushion structure with a plurality of hour-glass shaped spring coils arranged in columns and rows with adjacent springs within a row connected at the top and bottom by a helical wire extending between adjacent columns and with the marginal coils ... | 04/11/1989 |
| 4372546 | Spring assembly A spring assembly of the kind comprising a rigid base frame, a wire grid frame, a plurality of helically-coiled springs attached at one end to the base frame and at their other ends to the wire of the grid frame, said wires and ends of the coils being so ... | 02/08/1983 |
