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Richard L. Hockmuth

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  • Avon, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Differential summing mechanism
    • Patent number 4,509,390
    • Issue date Apr 9, 1985
    • Petroleum Meter & Pump Co., Inc.
    • Richard L. Hockmuth
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...