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Six-year-old Robert W. Patch granted a patent for a "toy truck".
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| Number | Title | Issue Date |
| 4092749 | Mattress spring unit construction An improved mattress innerspring unit is provided including cross helicals which extend transversely of the rows of coil springs and lace together adjacent terminal convolutions of the springs in a row and a retention and support strip which overlies the ... | 06/06/1978 |
