Robert Niven Walton

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Queensland, AU

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Patents Grantslast 30 patents

Information Patent Grant
Spool
- Patent number 6,647,561
- Issue date Nov 18, 2003
- Neumann Steel Pty Ltd.
- Robert Niven Walton
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Solar absorber assemblies
- Patent number 5,572,988
- Issue date Nov 12, 1996
- Neumann Steel PTY, Ltd.
- Robert N. Walton
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Solar water-heating apparatus
- Patent number 4,269,172
- Issue date May 26, 1981
- Peter D. Parker
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20020189009
- Publication date Dec 19, 2002
- Robert Niven Walton
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS