John Kloet

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Escanaba, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Pre-stressed box culvert and methods for assembly thereof
- Patent number 11,059,201
- Issue date Jul 13, 2021
- John Kloet
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Pre-stressed box culvert and methods for assembly thereof
- Patent number 10,518,440
- Issue date Dec 31, 2019
- John Kloet
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Pre-Stressed Box Culvert and Methods for Assembly Thereof
- Publication number 20210331348
- Publication date Oct 28, 2021
- LowSpan LLC
- John Kloet
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Pre-Stressed Box Culvert and Methods for Assembly Thereof
- Publication number 20200130229
- Publication date Apr 30, 2020
- LowSpan LLC
- John Kloet
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Pre-Stressed Box Culvert and Methods for Assembly Thereof
- Publication number 20180050467
- Publication date Feb 22, 2018
- LowSpan LLC
- John Kloet
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES