David John Tofts

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Narangba, AU

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Patents Grantslast 30 patents

Information Patent Grant
Reinforcing strut
- Patent number 5,896,724
- Issue date Apr 27, 1999
- Kalford Pty Ltd.
- David John Tofts
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Hinge
- Patent number 5,884,363
- Issue date Mar 23, 1999
- Kalford Pty Ltd.
- David John Tofts
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES