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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 |
| 7220670 | Method of producing rough polysilicon by the use of pulsed plasma chemical vapor deposition and products produced by same A method for depositing a rough polysilicon film on a substrate is disclosed. The method includes introducing the reactant gases argon and silane into a deposition chamber and enabling and disabling a plasma at various times during the deposition process. ... | 05/22/2007 |
| 7204633 | Lamp holder and LCD having the same A lamp holder capable of minimizing lamp wire breakage, an LCD containing the inventive lamp holder, and a method for using the lamp holder to minimize lamp wire breakage and to facilitate connection of a lamp wire to a lamp are provided. The lamp holder includes: a... | 04/17/2007 |
| 7033065 | Lamp retainer assembly A retainer for securing a lamp having a connector. The retainer includes a pedestal having a circumference. A socket for receiving the connector is defined by the pedestal and includes a perimeter extending beyond the socket. A retainer is operably connected to the ... | 04/25/2006 |
| 6769789 | Lamp-holder for fluorescent lamp Disclosed is a lamp-holder for fluorescent lamp of detachably holding a lamp with ease and of reliably and firmly holding the lamp under the condition of being subjected to vibration or shock is disclosed. The lamp-holder body comprises a holder having a pair of res... | 08/03/2004 |
| 6636000 | Plasma display device with flexible circuit boards and connectors A plasma display device has a pair of substrates having electrodes and terminals provided at ends of the electrodes. Driving circuits supply a driving voltage to the electrodes via flexible printed circuit boards to emit light. Connectors are detachably a... | 10/21/2003 |
| 6099144 | Socket for compact fluorescent bulbs A ballasted socket which removably accepts PL type fluorescent bulbs is provided for use with lighting fixture bases. The socket includes a socket housing having a side wall, a first end wall, and a second end wall to define a chamber in which the ballast... | 08/08/2000 |
| 5803595 | Luminaire A pair of lamp holders (5) and a pair of contact members (20) for mechanically and electrically mounting a double ended electric lamp (50) transversely to the optical axis (4) of reflector means (3) present in the housing (1). The contact members (20) eac... | 09/08/1998 |
| 5282755 | Locking device for fluorescent lamps A lamp lock for assembly of a fluorescent lamp with a lamp fixture is provided. A wafer-like body portion is made of electrically insulating material capable of use in the temperature range experienced by bi-pins of the fluorescent lamp. In use, the body ... | 02/01/1994 |
| 5013258 | Latching assembly for a light bulb and electrical socket A latching structure designed to removably maintain connection between a base portion of a light bulb, such as a "Christmas Tree" or like decorative light, and a socket which includes electrical connection means for providing current to the base when the ... | 05/07/1991 |
| 4643503 | Fluorescent lamp mounting system A mounting system for a U-shaped tube of a fluorescent lamp that has a free end and a connecting end having a coupling member that holds the two tube portions together. The connecting end has male electrical prongs that are insertable into female electric... | 02/17/1987 |
