Marcia Johnson

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Kennesaw, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sifting pick-up device
- Patent number 9,719,223
- Issue date Aug 1, 2017
- Marcia Johnson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Sifting Pick-Up Device
- Publication number 20160376760
- Publication date Dec 29, 2016
- Marcia Johnson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES