Roland Grassberger

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Brussels, BE

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Patents Grantslast 30 patents

Information Patent Grant
Ball valve cartridge for a mixing valve
- Patent number 5,927,333
- Issue date Jul 27, 1999
- Masco Corporation
- Roland Grassberger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pair of hard material plates for a faucet of the screw type, having...
- Patent number 5,058,860
- Issue date Oct 22, 1991
- Studio Tecnico Sviluppo E Ricerche S.T.S.R. S.r.l.
- Roland Grassberger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Single-handle mixer valve with a ball-type valving member
- Patent number 5,018,553
- Issue date May 28, 1991
- Masco GmbH
- Roland Grassberger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Single handle mixing valve incorporating a cartridge and a reversin...
- Patent number 4,676,270
- Issue date Jun 30, 1987
- Masco Corporation
- Alfons Knapp
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...