Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597607 | Magnetic recording tape edge processing | Douglas R. Plourde, William Qualls, Siu-Yue Tam | 2009-10-06 |
| 4873135 | Preframed transparency film having improved feeding reliability | Bruce W. Wittnebel, Leonard F. Miller | 1989-10-10 |