Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358373 | Continuous apparatus for separating hydrocarbon from earth particles and sand | — | 1982-11-09 |
| 4311157 | Sonic treating apparatus | Melvin G. DeGrazia, Jr. | 1982-01-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358373 | Continuous apparatus for separating hydrocarbon from earth particles and sand | — | 1982-11-09 |
| 4311157 | Sonic treating apparatus | Melvin G. DeGrazia, Jr. | 1982-01-19 |