David S. Steele

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Monmouth Jct, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Three-way trap elbow and cleanout system
- Patent number 5,651,147
- Issue date Jul 29, 1997
- David Stuart Steele
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Three-way trap elbow and cleanout system
- Patent number 5,509,148
- Issue date Apr 23, 1996
- David S. Steele
- E03 - WATER SUPPLY SEWERAGE