John Raymond Schmedeman

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Little Rock, AR, US

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Patents Grantslast 30 patents

Information Patent Grant
Process and system for improved reclamation of mined lands
- Patent number 11,060,401
- Issue date Jul 13, 2021
- James Julian Hazen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process and system for improved reclamation of mined lands
- Patent number 10,337,325
- Issue date Jul 2, 2019
- James Julian Hazen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
PROCESS AND SYSTEM FOR IMPROVED RECLAMATION OF MINED LANDS
- Publication number 20170370217
- Publication date Dec 28, 2017
- HPS Enterprises II, LLC
- James Julian Hazen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING