Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| D313834 | Sprinkler for fighting petroleum fires and the like | David W. Owens | 1991-01-15 | |
| D313459 | Sprinkler for fighting fires in oil refineries and the like | David W. Owens | 1991-01-01 | |
| 4836291 | Portable sprinkler and process for fighting fires in oil refineries and the like | David W. Owens | 1989-06-06 | $5,472,000 |