Gustav Johann Van der Merwe

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Strand, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Air diffuser
- Patent number 6,935,571
- Issue date Aug 30, 2005
- Rickard Air Diffusion (Proprietary ) Limited
- Gustav Johann Van Der Merwe
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air diffuser
- Patent number 6,702,187
- Issue date Mar 9, 2004
- Richard Air Diffusion (proprietary) Limited
- Gustav Johann van der Merwe
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Air diffuser
- Publication number 20040035945
- Publication date Feb 26, 2004
- RICKARD AIR DIFFUSION (PROPRIETARY) LIMITED
- Gustav Johann Van der Merwe
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Air diffuser
- Publication number 20030087599
- Publication date May 8, 2003
- RICKARD AIR DIFFUSION (PROPRIETARY) LIMITED
- Gustav Johann Van der Merwe
- F24 - HEATING RANGES VENTILATING