BEAVER CREEK CONCEPTS INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6986698 Wafer refiningExpiredSep 20, 02Jan 17, 06[B24B]
6435948 Magnetic finishing apparatusExpiredOct 09, 01Aug 20, 02[B24B]
6428388 Finishing element with finishing aidsExpiredJul 26, 01Aug 06, 02[B24B]
6413153 Finishing element including discrete finishing membersExpiredApr 24, 00Jul 02, 02[B24B]
6293851 Fixed abrasive finishing method using lubricantsExpiredNov 05, 99Sep 25, 01[B24B]
6283829 In situ friction detector method for finishing semiconductor wafersExpiredNov 05, 99Sep 04, 01[B24B]
6267644 Fixed abrasive finishing element having aids finishing methodExpiredNov 05, 99Jul 31, 01[B24B]
6204181 Finishing method for semiconductor wafers using a lubricating boundary layerWithdrawnNov 05, 99Mar 20, 01[]
5555674 Sod mats constructed of stable fibers and degradable matrix material and method for propagationExpiredAug 29, 94Sep 17, 96[A01G]
5507845 Plant sod matsExpiredOct 11, 94Apr 16, 96[A01L]
5490351 Low cost sod mat and method for propagationExpiredSep 12, 94Feb 13, 96[A01C]
5464455 Specialty sod mats constructed of nonwoven fabric with aperturesExpiredJul 21, 93Nov 07, 95[A01B, A01C]
5397368 Specialty sod mats constructed of nonwoven fabricExpiredJul 21, 93Mar 14, 95[A01G, A01B, A01C]
5345713 Low cost, versatile sod mat and method for propagationExpiredMar 22, 93Sep 13, 94[A01C]
5346514 Versatile plant sod mat and method for propagationExpiredJun 30, 93Sep 13, 94[A01G, A01B, A01C]
5344470 Sod mats constructed of stable fibers and a degradable matrix materialExpiredJul 21, 93Sep 06, 94[A01G, A01B, A01C]
5224290 Versatile herb, vegetable, flower and groundcover sod mat and method for propagationExpiredJun 17, 91Jul 06, 93[A01C]

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