Joseph Michael Kral

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Five Dock, NSW, AU

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical door closer
- Patent number 7,185,398
- Issue date Mar 6, 2007
- Joseph Michael Kral
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Window and door closing mechanism
- Patent number 6,581,331
- Issue date Jun 24, 2003
- Joseph Michael Kral
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Mechanical door closer
- Publication number 20050125947
- Publication date Jun 16, 2005
- Joseph Michael Kral
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES