Robert David Weichers

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Kansas City, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Air activated internal valve
- Patent number 6,454,237
- Issue date Sep 24, 2002
- Delaware Capital Formation, Inc.
- Bryan VanDeVyvere
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...