Inventor · disambiguated record

Mary J. Mathis

Also filed as: MATHIS MARY J

1 granted patent·21 citations·filing 1993–1993

41Inventor score

Technology areasF25J

Files withPRAXAIR TECHNOLOGY INC1

Top patents by PatentIndex Score

1 record

0155US5339641ACryogenic liquid nitrogen production systemPRAXAIR TECHNOLOGY INC·Filed 1993·Granted Aug 23, 1994·21 cites·10 claims

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