Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847445 | Zirconium thin-film metal conductor systems | Robert E. Holmes, Robert R. Zimmerman | 1989-07-11 |
| 4788627 | Heat sink device using composite metal alloy | Michael Ehlert | 1988-11-29 |
| 4490408 | Method and device for metallizing the internal surface of a hollow object | Robert R. Zimmerman, Larry D. Kunkler | 1984-12-25 |
| 4331476 | Sputtering targets with low mobile ion contamination | Robert R. Zimmerman | 1982-05-25 |