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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 |
| 7468638 | Transmit/receive switch device An integrated transmit/receive (T/R) switch device comprises a substrate, an antenna port to couple with an antenna, a transmitter port to couple with a transmitter, and a receiver port to couple with a receiver. A receive path is provided between the antenna port a... | 12/23/2008 |
| 7388195 | Apparatus and systems for processing samples for analysis via ion mobility spectrometry The invention provides an interface assembly for delivering an ionized analyte from an ionization apparatus into an ion mobility spectrometer. This allows analysis of biological and non-biological samples, even non-volatile solids, via differential mobility spectrom... | 06/17/2008 |
| 7164306 | Composite multiplexer circuit and chip component, high-frequency module and radio communication apparatus using the same In a composite multiplexer circuit designed to multiplex plural frequency bands by interconnecting plural multiplexer circuits in parallel, a multiplexer circuit for extracting a frequency band of a GPS reception system includes a matching network including an induc... | 01/16/2007 |
| 7148763 | Integrated circuit including processor and crystal oscillator emulator An integrated circuit comprises a first circuit that receives a clock signal. A first temperature sensor senses a first temperature. Non-volatile memory that communicates with the first temperature sensor outputs calibration data as a function of the first temperatu... | 12/12/2006 |
| 4507266 | Glow discharge generating apparatus A glow discharge generating apparatus comprises, in a glow discharge chamber, an anode, a cathode for generating a glow discharge between the cathode and the anode upon application of a negative pulse, and a triggering electrode for starting the glow disc... | 03/26/1985 |
