Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520536 | Premixed gas burner | Ian Rodgers | 1996-05-28 |
| 4426899 | Apparatus for punching holes in tubing | Leonard Pharr, Earl J. Phaar | 1984-01-24 |
| 4269094 | Device for punching holes in tubing | Leonard Pharr, Earl J. Pharr | 1981-05-26 |