TREA

Helmut Petrat

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  • Rosenheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sliding door assembly
    • Patent number 8,955,271
    • Issue date Feb 17, 2015
    • Steelcase Inc.
    • Ralf Keller
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    SLIDING DOOR ASSEMBLY
    • Publication number 20150107171
    • Publication date Apr 23, 2015
    • Steelcase Inc.
    • Ralf Keller
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Sliding Door Assembly
    • Publication number 20140075853
    • Publication date Mar 20, 2014
    • Steelcase Inc.
    • Ralf Keller
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES