Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5806591 | Rod guide | — | 1998-09-15 |
| 5740862 | Rod guide assembly | — | 1998-04-21 |
| 5613556 | Rod guide and method of an apparatus for installing it on the shank of a rod | — | 1997-03-25 |
| 5547020 | Corrosion control well installation | — | 1996-08-20 |
| 5494104 | Snap-on rod guide | — | 1996-02-27 |
| 5191938 | Rod guide assembly and method of its installation on a rod shank | — | 1993-03-09 |
| 5119876 | Well tool | — | 1992-06-09 |
| 4997039 | Rod centralizer | — | 1991-03-05 |
| 4809777 | Well tool | — | 1989-03-07 |
| 4787448 | Rod guide | — | 1988-11-29 |
| D285281 | Grill | — | 1986-08-26 |
| 4589483 | Rod centralizer | — | 1986-05-20 |
| 4575163 | Rod guide | — | 1986-03-11 |
| 4522368 | Closure device | — | 1985-06-11 |
| 4380347 | Well tool | — | 1983-04-19 |
| 4249831 | Well tool | — | 1981-02-10 |