Thomas Sefker

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Neukirchen-Vluyn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Lab-hood vent system
- Patent number 6,309,294
- Issue date Oct 30, 2001
- Gebruder Trox, Gesellschaft mit beschrankter Haftung
- Gregor Baumeister
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Underfloor air diffuser assembly
- Patent number 6,083,100
- Issue date Jul 4, 2000
- Gebruder Trox GmbH
- Thomas Ray Hardy
- F24 - HEATING RANGES VENTILATING