Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8611187 | Miner acoustic communication and location system | Richard W. Givens, James J. Reuther, Walter G. VanCleave, III | 2013-12-17 |
| 8469781 | Mine barrier survival system | James J. Reuther, Richard W. Givens, James M. Gant, James T. Worthington, II | 2013-06-25 |
| 8100479 | Miner acoustic communication and location system | Richard W. Givens, James J. Reuther, Walter G. VanCleave, III | 2012-01-24 |