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U.S. patents available from 1976 to present.
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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 of patents: 1
Last date: July 02, 1991

Number	Title	Issue Date
5029196	Automated call screening A method for facilitating call completions utilizing a call identification telephone number which is transmitted along with an incoming call. A user of the call processor of the invention can program a list of anticipated or preferred call identification ...	07/02/1991