DL

Donald M. Lewis

3M: 2 patents #129 of 1,069Top 15%
📍 Hudson, WI: #10 of 46 inventorsTop 25%
🗺 Wisconsin: #201 of 2,194 inventorsTop 10%
Overall (1997): #41,959 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5686142 Process of producing magnetic recording tape having textured backcoat David Wallack, John D. Munter, Peter Silbernagel, Robert V. Heiti, Yuko Yoshida 1997-11-11
5620514 Differential-speed gravure coating of magnetizable layers in the manufacture of magnetic recording media John D. Munter, Joseph Hung Lam, Kevin K. Kuck, Michael J. Brost, Norman E. Gehrke 1997-04-15