TREA

Otto Lehnert

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  • Ispringen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing spring hinges
    • Patent number 5,822,840
    • Issue date Oct 20, 1998
    • O B E-Werk Ohnmacht & Baumgartner GmbH & Co. KG
    • Heinz Mossner
    • G02 - OPTICS
  • Information Patent Grant

    Spring hinges
    • Patent number 5,755,010
    • Issue date May 26, 1998
    • O B E--Werk Ohnmacht & Baumgartner GmbH & Co., KG
    • Otto Lehnert
    • G02 - OPTICS
  • Information Patent Grant

    Spring hinge for eyewear
    • Patent number 5,657,107
    • Issue date Aug 12, 1997
    • Obe-Werk Ohnmacht & Baumgartner GmbH & Co. KG
    • Reiner Wagner
    • G02 - OPTICS
  • Information Patent Grant

    Spring hinge
    • Patent number 5,533,233
    • Issue date Jul 9, 1996
    • OBE-Werk Ohnmacht & Baumgartner GmbH & Co., KG
    • Reiner Wagner
    • G02 - OPTICS
  • Information Patent Grant

    Locking screw
    • Patent number 5,387,102
    • Issue date Feb 7, 1995
    • Obe-Werk Ohnmacht & Baumgartner GmbH & Co. KG
    • Reiner Wagner
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE