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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 |
| 6457470 | Dispensing device An inhaler for enabling inhaled administration, has a housing having an outlet duct defining a passageway through which air can be drawn by inhalation on the part of a user. The housing contains a capillary nozzle; a container for containing a quantity of... | 10/01/2002 |
| 6386195 | Dispensing device A dispensing device has a liquid supplier having a liquid outlet; an electrical charger for generating an electrical field to cause liquid issuing from the liquid outlet to be comminuted to provide electrically charged comminuted matter; an electrical dis... | 05/14/2002 |
| 6318640 | Dispensing device A comminuting liquid device, a medicament delivery device, an inhaler, a method of providing droplets for delivery to the respiratory tract, a pocket-sized dispenser, and a method of mixing liquids by droplet coalescence. Liquids are subjected to electric... | 11/20/2001 |
| 6252129 | Dispensing device and method for forming material A dispensing device and method for forming a least partially solid or gel-like material from a liquid. At least one liquid issuing from an outlet is subjected to an electric field causing the liquid to form at least one electrically charged jet which, aft... | 06/26/2001 |
| 6105877 | Dispensing device A device for comminuting liquid has a liquid supply with first and second outlets, a first electrohydrodynamic comminuter for subjecting liquid issuing from the first outlet to an electrical potential to cause the liquid to be commrinuted to form a commin... | 08/22/2000 |
| 6105571 | Dispensing device An electrohydrodynamic dispensing device for comminuting a liquid which comprises a comminution site, a means for supplying liquid to the comminution site and a means for inducing an electrical charge at the comminution site sufficient to comminute the li... | 08/22/2000 |
| 6068199 | Dispensing device A device for dispensing a comminuted liquid to the upper respiratory tract, which comprises an electrohydrodynamic comminution device and a supplier of a liquid to the comminution device. And a device for comminuting a liquid, the comminution site of whic... | 05/30/2000 |
| 5915377 | Dispensing device producing multiple comminutions of opposing polarities A device for comminuting a liquid, which produces at least two sprays of droplets formed by electrohydrodynamic comminution, the device being arranged so that in use sprays of opposing polarity are formed which are substantially admixed after formation, s... | 06/29/1999 |
| 5813614 | Dispensing device A device for dispensing a liquid for inhalation, which comprises an unshielded electrohydrodynamic comminution means (1), a means for supplying a liquid to the comminution means, a sharp discharge electrode (12) and, optionally, a means for charging the d... | 09/29/1998 |
