ALFASTAR AB, A CORP. OF SWEDEN

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4939330 Method and arrangement for controlling output power of a plurality of magnetrons connected to a common power sourceExpiredMar 01, 88Jul 03, 90[H05B]
4939331 Arrangement for controlling the microwave power of magnetronsExpiredJan 04, 89Jul 03, 90[H05B]
4870236 Apparatus using microwave energy for heating continuously passing goods along a wide pathExpiredFeb 17, 89Sep 26, 89[H05B]
4816231 Heat treating cassette for a conveyor apparatusExpiredOct 17, 86Mar 28, 89[A61L]
4808783 Heat stable microwave energy sterilization methodExpiredOct 27, 87Feb 28, 89[H05B]
4734004 Sluice deviceExpiredOct 17, 86Mar 29, 88[B01J]

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