William A. Knapp

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Roof assembly and airflow management system for a temperature contr...
- Patent number 6,904,848
- Issue date Jun 14, 2005
- TRN Business Trust
- Allen E. Norton
- B61 - RAILWAYS
Information Patent Grant
Pultruded panel
- Patent number 6,871,600
- Issue date Mar 29, 2005
- TRN Business Trust
- Allen E. Norton
- B61 - RAILWAYS
Information Patent Grant
Roof assembly and airflow management system for a temperature contr...
- Patent number 6,722,287
- Issue date Apr 20, 2004
- TRN Business Trust
- Allen E. Norton
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Roof assembly and airflow management system for a temperature contr...
- Publication number 20040173119
- Publication date Sep 9, 2004
- TRN Business Trust
- Allen E. Norton
- B61 - RAILWAYS
Information Patent Application
Pultruded panel
- Publication number 20030196567
- Publication date Oct 23, 2003
- TRN Business Trust
- Allen E. Norton
- B61 - RAILWAYS
Information Patent Application
Roof assembly and airflow management system for a temperature contr...
- Publication number 20020157565
- Publication date Oct 31, 2002
- TRN Business Trust
- Allen E. Norton
- B61 - RAILWAYS
Information Patent Application
Pultruded panel
- Publication number 20020148382
- Publication date Oct 17, 2002
- TRN Business Trust
- Allen E. Norton
- B61 - RAILWAYS