Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38412 | Coated substrate drying system with magnetic particle orientation | William Blake Kolb, Gary L. Huelsman | 2004-02-03 |
| 6573963 | Cholesteric liquid crystal optical bodies and methods of manufacture | Andrew John Ouderkirk, Marvin Kammin | 2003-06-03 |
| 5813133 | Coated substrate drying system with magnetic particle orientation | William Blake Kolb, Gary L. Huelsman | 1998-09-29 |
| 5686142 | Process of producing magnetic recording tape having textured backcoat | David Wallack, Donald M. Lewis, 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 | Donald M. Lewis, Joseph Hung Lam, Kevin K. Kuck, Michael J. Brost, Norman E. Gehrke | 1997-04-15 |
| 5589247 | Magnetic recording medium having an embossed backcoat layer | David Wallack, Donald M. Lewis, Peter Silbernagel, Robert V. Heiti, Yuko Yoshida | 1996-12-31 |
| 5447747 | Method and apparatus for smoothing gravure coatings in the manufacture of magnetic recording tape | Donald M. Lewis, Scott D. Stenstrom | 1995-09-05 |