Leonard Passmore

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Clarksville, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods to recover value-added materials from gypsum
- Patent number 11,912,582
- Issue date Feb 27, 2024
- Davy Powersports Inc.
- Lucien M. Papouchado
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Systems and methods to recover value-added materials from gypsum
- Patent number 11,479,472
- Issue date Oct 25, 2022
- Elixsys, Inc.
- Lucien M. Papouchado
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Systems and Methods to Recover Value-Added Materials from Gypsum
- Publication number 20240190716
- Publication date Jun 13, 2024
- Davy Powersports Inc.
- Lucien M. Papouchado
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Systems and Methods to Recover Value-Added Materials from Gypsum
- Publication number 20230045286
- Publication date Feb 9, 2023
- Elixsys, Inc.
- Lucien M. Papouchado
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Systems and Methods to Recover Value-Added Materials from Gypsum
- Publication number 20210269321
- Publication date Sep 2, 2021
- Elixsys, Inc.
- Lucien M. Papouchado
- C01 - INORGANIC CHEMISTRY