Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338312 | Article having multi-layered lubricant and method therefor | — | 1994-08-16 |
| 5318806 | Tube having regions of different surface chemistry and method therefor | Erwin A. Vogler | 1994-06-07 |