SM

Stephen T. Mansfield

SP Simonton Building Products: 1 patents #2 of 21Top 10%
📍 Monroeville, PA: #311 of 710 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,149,439 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7415797 Impact resistant tilt window assembly Cynthia Dotson, Thomas D. Riggs, Charles D. Kownacki, Jimmie Daniels, Mark B. Marvin +3 more 2008-08-26
6749797 One-piece injection molded window frame and sash Charles D. Kownacki, Craig Lawson, Charline W. Crooks 2004-06-15