Stiftesen Institutet for Microvagsteknik

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4922255 Arrangement for measuring speedsExpiredDec 01, 88May 01, 90[G01S]
4870344 Method for inspecting integrated circuits or other objectsExpiredMay 02, 85Sep 26, 89[G01N, G01R]
4851851 Method for measuring the distance and/or the relative velocity between two objectsExpiredJul 21, 87Jul 25, 89[G01S]
4837174 Method for producing thin conductive and semi-conductive layers in mono-crystal siliconExpiredJul 30, 87Jun 06, 89[H01L]
4804961 Method and apparatus for measuring distancesExpiredJul 20, 87Feb 14, 89[G01S]
4740484 Method in the manufacture of integrated circuitsExpiredOct 30, 86Apr 26, 88[H01L]
4728955 Method for position-finding and apparatus hereforExpiredFeb 25, 86Mar 01, 88[G01S]
4675595 Method for measuring the moisture ratio of organic material, and apparatus hereforExpiredJun 18, 85Jun 23, 87[G01N]
4476363 Method and device for heating by microwave energyExpiredSep 02, 83Oct 09, 84[H05B]
4401873 Microwave heating device with tapered waveguideExpiredNov 18, 80Aug 30, 83[H05B]
4390880 Radio communication system and transmitter and receiver equipment thereforExpiredSep 29, 80Jun 28, 83[G01S]
4358765 Apparatus for producing a single side bandExpiredAug 16, 79Nov 09, 82[G01S]
4333078 Apparatus for synchronized reception in connection with system for recording objectsExpiredMay 29, 81Jun 01, 82[G01S]
4323745 Method and apparatus for effecting by microwaves a substantially uniform heating of a material in a cavityExpiredDec 26, 79Apr 06, 82[H05B]
4295221 Method and apparatus at one-way or two-way information link to effect interference suppressionExpiredApr 18, 78Oct 13, 81[H03K]
4242661 Device for registration of objectsExpiredMar 16, 76Dec 30, 80[G08G, H03C, G01S]
4217549 Device for two-way information linkExpiredSep 09, 77Aug 12, 80[H04B, H01Q]

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