Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10429162 | Method and apparatus for wireless blasting with first and second firing messages | Bryan E. Papillon, Larry S. Howe, Thomas A. Hoopes | 2019-10-01 |
| 10359264 | Electronic detonator, electronic ignition module (EIM) and firing circuit for enhanced blasting safety | James D. Heckelman | 2019-07-23 |
| 10310109 | Method and apparatus for confirmation time break (CTB) determination and shotpoint in-situ recording in seismic electronic detonators | Bryan E. Papillon, Larry S. Howe | 2019-06-04 |