DR

David Rivers

CE Certainteed: 2 patents #182 of 431Top 45%
Overall (All Time): #2,209,395 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6336474 To hose used to install loose fill insulation Maurice James Kelley, Edward Pentz 2002-01-08
6088968 Baled insulation material blowing apparatus and method Everett S. Williston, Jr., Jack D. Coulter, Mark Trabbold, Michael J. Noone, Edward Pentz 2000-07-18