Assignee

INSITUFORM INTL INC

GB·1 granted patent·94 citations·filing 1984–1984

Technology mixB23D1 B23Q1 B26F1 B29C1 F16L1 Y10T1

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1 record

0192US4577388AMethod of cutting apertures in lining in underground pipesINSITUFORM INTL INC·Filed 1984·Granted Mar 25, 1986·94 cites·2 claims

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