| 9013325 |
System and method for traffic-control phase change warnings |
David Miller |
2015-04-21 |
| 7092927 |
Conflict assessment system tool |
Pauline H. Baker, Anne V. Russell |
2006-08-15 |
| 5355951 |
Method of evaluating oil or gas well fluid process |
Thomas E. Allen, Gary D. Arnold, Leonard R. Case, Gary E. Folmnsbee, Jerry L. Gammill +4 more |
1994-10-18 |
| 5014218 |
Using a remote control computer connected to a vocal control computer and a monitor computer |
Stephen F. Crain, Edward L. Woodall |
1991-05-07 |
| 4953097 |
Process control system using remote computer and local site control computers for mixing a proppant with a fluid |
Stephen F. Crain, Edward L. Woodall |
1990-08-28 |
| 4918659 |
Apparatus and method for adding a selected additive into a mixture |
Dale E. Bragg, Randy G. Fleming |
1990-04-17 |
| 4916631 |
Process control system using remote computer and local site control computers for mixing a proppant with a fluid |
Stephen F. Crain, Edward L. Woodall |
1990-04-10 |
| 4886367 |
Apparatus for adding a selected additive into a mixture |
Dale E. Bragg, Randy G. Fleming |
1989-12-12 |
| 4751648 |
Local area network data transfer system |
Leslie R. Sears, III, Alan J. Pitts, Stephen F. Crain, Edward L. Woodall, Michael L. Green +2 more |
1988-06-14 |