Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581286 | Method of making tool to produce optical film | Alan B. Campbell, Sanford Cobb, Jr., Wade D. Kretman, Timothy L. Hoopman | 2003-06-24 |
| 6354709 | Optical film | Alan B. Campbell, Sanford Cobb, Jr., Wade D. Kretman, Timothy L. Hoopman | 2002-03-12 |
| 5359475 | Air filter system for helical scanner drum with vented drum cover | Lester Mickel Aseere, Gerald J. Niles, Robert L. Hanson | 1994-10-25 |