In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7062803 | Furniture headboards and footboards Disclosed is a bedstead board having at least one recess near a first or a second side. The at least one recess is configured to removably receive a roller of a patient transport system. In use, two bedstead boards are connected to a bed frame. Each of the two bedst... | 06/20/2006 |
| 5782790 | Flexible compression and stabilizing orthotics A method for providing sensory input and body awareness to a person suffering from a neurological disorder, autism, proprioceptive and sensory deficits, or hypersensitivity is disclosed. In the method, a flexible compression and stabilizing orthotic made ... | 07/21/1998 |
| 4672696 | Convertible sitting/reclining furniture article A convertible sitting/reclining furniture article comprises a main frame and a seat element which is supported at a predetermined elevation above ground. A bed frame can be pulled out of and pushed into the main frame in a drawer-like manner and includes ... | 06/16/1987 |