| 9258722 |
Method and apparatus for reliable communications in underground and hazardous areas |
Paul E. Schmidt, James E. Silverstrim |
2016-02-09 |
| 9179475 |
Distributed ad hoc mesh network protocol for underground mine and hazardous area communications |
Steve R. Harrison, Tim Dechant, Paul Carpenter, Paul E. Schmidt |
2015-11-03 |
| 8885559 |
Method and apparatus for reliable communications in underground and hazardous areas |
Paul E. Schmidt, James E. Silverstrim |
2014-11-11 |
| 8385322 |
Distributed ad hoc network protocol using synchronous shared beacon signaling |
Kent D. Colling, Paul Carpenter, Paul E. Schmidt |
2013-02-26 |
| 8244260 |
Method and apparatus for management of a global wireless sensor network |
James E. Silverstrim, W. Eric Holland, Paul Carpenter |
2012-08-14 |
| 7983685 |
Method and apparatus for management of a global wireless sensor network |
James E. Silverstrim, W. Eric Holland, Paul Carpenter |
2011-07-19 |