Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 4792257 | Set of paving stones, particularly set of concrete paving stones A paving stone set includes a square paving-stone, a larger rectangular paving-stone and a smaller rectangular paving-stone. Each of the paving stones has generally planar top and bottom surfaces and generally planar side walls, with a clothoid shaped sur... | 12/20/1988 |
| 4572699 | Paving stone A paving stone, especially a concrete paving stone, serving for the paving of gardens and parks, paths, etc., is proposed. So that the paving stone laid out in a continuous system gives the best possible natural appearance, practical handling is guarantee... | 02/25/1986 |
