Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307837 | Water valve apparatus | Robert L. Woltz | 1994-05-03 |
| 5230365 | Water valve apparatus | Robert L. Woltz | 1993-07-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307837 | Water valve apparatus | Robert L. Woltz | 1994-05-03 |
| 5230365 | Water valve apparatus | Robert L. Woltz | 1993-07-27 |