SW

Steven A. Williams

PT Pipe Restoration Technologies: 2 patents #2 of 7Top 30%
Overall (2017): #103,162 of 506,227Top 25%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9744561 Barrier coating corrosion control methods and systems for interior walls of pipe in underground piping Larry Gillanders, Gregory Ryan, John F. Trout 2017-08-29
9611973 Process for coating the interior surface of water service lines Larry Gillanders 2017-04-04