Veikko Yla-Hemmila

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Kausala, FI

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Patents Grantslast 30 patents

Information Patent Grant
Procedure and means for making the effect of gravity the same in fl...
- Patent number 4,697,607
- Issue date Oct 6, 1987
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flow regulator and its use
- Patent number 4,694,851
- Issue date Sep 22, 1987
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flow regulator
- Patent number 4,678,005
- Issue date Jul 7, 1987
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flow regulator
- Patent number 4,674,531
- Issue date Jun 23, 1987
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING