Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642637 | Lubricator assembly for presses usable in die forging | — | 1997-07-01 |
| 5617671 | Method for growing turfgrass indoors under reduced light conditions | John Rogers, John Charles STIER, Paul E. Rieke | 1997-04-08 |