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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6186210 Heat sealing deviceExpiredNov 02, 98Feb 13, 01[B44C]
6050317 Welding apparatusExpiredNov 19, 97Apr 18, 00[B32B]
5693276 Method for extruding synthetic welding material, as well as a welding device for welding synthetic material for carrying out this methodExpiredOct 20, 95Dec 02, 97[B29C]
5326249 Apparatus for bending lamellar workpiecesExpiredOct 25, 93Jul 05, 94[B29C]
5112210 Bending machineExpiredOct 31, 90May 12, 92[B29C]
4781787 Welding equipmentExpiredNov 03, 86Nov 01, 88[B30B]

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