Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116667 | Compostible compositions and products | Tamela A. Viers | 1992-05-26 |
| 5037410 | Disposable articles comprising compostible components | Tamela A. Viers | 1991-08-06 |
| 4847445 | Zirconium thin-film metal conductor systems | Earl R. Helderman, Robert E. Holmes | 1989-07-11 |
| 4769024 | Repositional adhesive garment closure tabs and components therefor | Charles O. Pike, Tamela A. Viers | 1988-09-06 |
| 4490408 | Method and device for metallizing the internal surface of a hollow object | Larry D. Kunkler, Earl R. Helderman | 1984-12-25 |
| 4331476 | Sputtering targets with low mobile ion contamination | Earl R. Helderman | 1982-05-25 |