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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 |
| 5413230 | Refillable compressed gas capsule A refillable compressed gas capsule, in particular, for household uses and for compressed-gas hand-operated devices, includes a valve body pretensioned by a spring and slidably held against a valve seat by the inner pressure of the compressed-gas capsule ... | 05/09/1995 |
| 4995534 | Detachable volved dispensing head for bottle A dispensing apparatus for attaching to the bottleneck of a bottle filled with a carbonated drink. The apparatus includes an adapter ring with angled surfaces for sealing onto the bottleneck and a valve housing attached to the adapter ring. The valve hous... | 02/26/1991 |
