Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5020601 | Concealed sprinkler assembly | James G. Retzloff | 1991-06-04 |
| 4623023 | Sprinkler head | James G. Retzloff | 1986-11-18 |
| 4570720 | Sprinkler head | James G. Retzloff | 1986-02-18 |
| 4565123 | Tension control for baling machine | — | 1986-01-21 |