Frederick R. Raphael

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Sandgate, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Self cleaning tribological coated tobacco and herb grinders
- Patent number 9,521,929
- Issue date Dec 20, 2016
- Vermont Herb & Spice Accessories, Inc.
- Frederick R. Raphael
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...