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Head immobilization device
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Patent number 6,230,712
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Issue date May 15, 2001
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Ambu International A/S
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Ole Køhnke
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Manikin unit
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Patent number 5,593,306
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Issue date Jan 14, 1997
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AMBU International A/S
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Ole B. Kohnke
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Disposable resuscitator
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Patent number D335552
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Issue date May 11, 1993
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AMBU International A/S
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Ole B. Kohnke
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D29 - Equipment for safety, protection, and rescue
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Disposable resuscitator
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Patent number 5,163,424
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Issue date Nov 17, 1992
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AMBU International A/S
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Ole B. Kohnke
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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