Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31953 | Method of charging a borehole | David L. Childs, Roger N. Prescott, Donald W. Lyons | 1985-07-23 |
| RE30621 | Carrier for explosive primer and method of using same | David L. Childs, Roger N. Prescott, Donald W. Lyons | 1981-05-26 |