PS

Peter Silbernagel

3M: 2 patents #5,326 of 11,543Top 50%
Overall (All Time): #889,032 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5686142 Process of producing magnetic recording tape having textured backcoat David Wallack, Donald M. Lewis, John D. Munter, Robert V. Heiti, Yuko Yoshida 1997-11-11
5589247 Magnetic recording medium having an embossed backcoat layer David Wallack, Donald M. Lewis, John D. Munter, Robert V. Heiti, Yuko Yoshida 1996-12-31
4729205 Method of producing film-wrapped packages or packaged units, and apparatus for carrying out such method 1988-03-08
4723393 Twin roll laminated packaging process 1988-02-09
4711069 Stretch foil wrapping arrangement 1987-12-08
4655028 Method of producing film-wrapped packages or packaged units 1987-04-07