Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695123 | Rotary sprinkler with arc adjustment device | — | 1997-12-09 |
| 5673855 | Rotary sprinkler with reversing mechanism and adapter seal | Jack Nguyen, Richard L. Holtz | 1997-10-07 |