WN

Wayne G. Nichols

DR Duro-Last Roofing: 1 patents #2 of 4Top 50%
📍 Bay City, MI: #7 of 21 inventorsTop 35%
🗺 Michigan: #694 of 3,452 inventorsTop 25%
Overall (1989): #45,615 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4848045 Roof edge structures incorporated with single-ply polymer-coated fabric roof structures, and methods of making and assembling them John C. Greko, Francis R. Laurion 1989-07-18