Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859090 | Rotating conductive heat transfer device | — | 1989-08-22 |
| 4832724 | Method of making colored photochromic glasses | Nicholas Francis Borrelli, Brent M. Wedding | 1989-05-23 |
| 4795279 | Rolling ball separator | Peter E. Jacobson | 1989-01-03 |