Shalong Maa

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Arlington, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Coupling devices for railway cars
- Patent number 6,253,786
- Issue date Jul 3, 2001
- Shalong Maa
- B61 - RAILWAYS
Information Patent Grant
Rail car coupler
- Patent number 6,206,215
- Issue date Mar 27, 2001
- Shalong Maa
- B61 - RAILWAYS