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Elastic retroreflector
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Patent number 12,138,873
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Issue date Nov 12, 2024
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Hans-Erich Gubela
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Elastic retroreflector
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Patent number 11,215,740
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Issue date Jan 4, 2022
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Hans-Erich Gubela
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G01 - MEASURING TESTING
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Retroreflector
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Patent number 10,761,249
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Issue date Sep 1, 2020
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Hans-Erich Gubela
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Synthetic chemical adsorbents
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Patent number 4,769,084
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Issue date Sep 6, 1988
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Hans-Erich Gubela
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...