ER

Edward J. Rutkowski

NG National Gypsum: 4 patents #13 of 61Top 25%
📍 Kenmore, NY: #31 of 119 inventorsTop 30%
🗺 New York: #31,572 of 115,490 inventorsTop 30%
Overall (All Time): #1,305,421 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4651484 Furniture channel 1987-03-24
4435936 Metal stud 1984-03-13
4435938 Vinyl siding attachment Thomas R. Krowl 1984-03-13
4324082 Metal stud Carl R. Mapes, Steven D. Wing, Jack A. Dawdy 1982-04-13