THERMO OPTEK CORP — DEF 14A

THERMO OPTEK CORP of FRANKLIN, MA filed a DEF 14A with the SEC on 1999-04-20. Industry: Laboratory Analytical Instruments.

Filing

Filing timeline for this registrant (7)

FiledForm
2000-05-12SC 13E3/A
2000-04-20SC 13E3/A
2000-04-17SC 13E3/A
2000-03-06SC 13E3
1999-04-20DEF 14A
1998-04-30DEF 14A
1997-05-02DEF 14A

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