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Cathirgamathamby Balasingam

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  • Colombo 13, LK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Auto guiding combination lock
    • Patent number 4,841,759
    • Issue date Jun 27, 1989
    • Cathirgamathamby Balasingam
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Auto-directing lever lock
    • Patent number 4,739,639
    • Issue date Apr 26, 1988
    • Cathirgamathamby Balasingam
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES