| 6065683 |
Method and apparatus for conditioning fluid flow |
John E. Akin, N. Roland Dove |
2000-05-23 |
| 5992763 |
Nozzle and method for enhancing fluid entrainment |
N. Roland Dove, J. Edward Akin |
1999-11-30 |
| 5941461 |
Nozzle assembly and method for enhancing fluid entrainment |
J. Edward Akin, N. Roland Dove |
1999-08-24 |
| 5921476 |
Method and apparatus for conditioning fluid flow |
John E. Akin, N. Roland Dove |
1999-07-13 |
| 5854828 |
Telephone customer support utility |
Thomas J. Kocis, Mark Larson, Charles W. Morrison |
1998-12-29 |
| 5785258 |
Method and apparatus for conditioning fluid flow |
John E. Akin, N. Roland Dove |
1998-07-28 |
| 5653298 |
Vortex method |
Norval Roland Dove, W. Gerald Lott |
1997-08-05 |
| 5632349 |
Vortex drill bit |
Norval Roland Dove, W. Gerald Lott |
1997-05-27 |
| 5494124 |
Negative pressure vortex nozzle |
Norval Roland Dove |
1996-02-27 |