Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5176218 | Adjustable mandrel well casing hanger | Richard C. Lalor, Kenneth G. Rountree, Marcus Smedley, John H. Miller | 1993-01-05 |
| 5100683 | Method and apparatus for combined product coating and drying | Gerald E. Schmelzle | 1992-03-31 |
| 5020239 | Air suspension enrober | — | 1991-06-04 |
| 5018960 | Flaking roll apparatus | — | 1991-05-28 |