Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358160 | Air diversion and dust control system for longwall shearers | Fred N. Kissell, Terry L. Muldoon, William E. Schroeder, Jr. | 1982-11-09 |
| 4333400 | Two stage parachute fuze recovery system | John McNelia | 1982-06-08 |