SS

S. Tonya Stefko

PO Ppg Industries Ohio: 2 patents #525 of 1,316Top 40%
📍 Novi, MI: #730 of 1,560 inventorsTop 50%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,226,271 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6228974 Aminoplast curable film-forming compositions providing films having resistance to acid etching Gregory J. McCollum, Debra L. Singer, Kurt G. Olson, Michael A. Mayo, Dennis L. Faler 2001-05-08
6103816 Aqueous aminoplast curable film-forming compositions providing films having resistance to acid etching Shanti Swarup, Debra L. Singer, Gregory J. McCollum, Kurt G. Olson, Richard J. Sadvary +2 more 2000-08-15