William Stewart

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Aurora, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for railroad personnel safety assurance
- Patent number 11,897,525
- Issue date Feb 13, 2024
- BNSF Railway Company
- Eric Peter Olsen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for railroad personnel safety assurance
- Patent number 11,414,111
- Issue date Aug 16, 2022
- BNSF Railway Company
- Eric Peter Olsen
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR RAILROAD PERSONNEL SAFETY ASSURANCE
- Publication number 20250100599
- Publication date Mar 27, 2025
- BNSF Railway Company
- Eric Peter Olsen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR RAILROAD PERSONNEL SAFETY ASSURANCE
- Publication number 20230053030
- Publication date Feb 16, 2023
- BNSF Railway Company
- Eric Peter Olsen
- B61 - RAILWAYS