Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484385 | Method for manufacturing self-sealing reinforcement tie rods for HVAC ducts | — | 2002-11-26 |
| 6370773 | Apparatus for making self-gripping air turning vanes | Donald H. Siiter | 2002-04-16 |