Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290974 | Tab and notch locator for exhaust systems | Arthur D. Douglas, Freddie A. Baldwin | 1994-03-01 |
| 5111561 | Method of forming spacing ring for tubes in high temperature environment | Yukihiro Nakagawa | 1992-05-12 |
| 5100047 | Spacing ring for tubes in high temperature environment | Yukihiro Nakagawa | 1992-03-31 |
| 5056832 | Spacing ring for tubes in high temperature environment | Yukihiro Nagagawa | 1991-10-15 |