John Loewen

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Oakville, CA

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus for an active convertor dolly
- Patent number 11,951,868
- Issue date Apr 9, 2024
- ELECTRANS TECHNOLOGIES LTD.
- Brian Layfield
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Methods and apparatus for an active convertor dolly
- Patent number 11,279,255
- Issue date Mar 22, 2022
- ISABREM LTD.
- Brian Layfield
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Methods and apparatus for an active convertor dolly
- Publication number 20240227619
- Publication date Jul 11, 2024
- ELECTRANS TECHNOLOGIES LTD.
- Brian Layfield
- B60 - VEHICLES IN GENERAL
Information Patent Application
Methods and apparatus for an active convertor dolly
- Publication number 20220266715
- Publication date Aug 25, 2022
- ELECTRANS TECHNOLOGIES LTD.
- Brian Layfield
- B60 - VEHICLES IN GENERAL
Information Patent Application
Methods and apparatus for an active convertor dolly
- Publication number 20200122715
- Publication date Apr 23, 2020
- ISABREM LTD.
- Brian Layfield
- B60 - VEHICLES IN GENERAL