March 20, 2002
Gopinadhan Pillai; Morris Kho
October 22, 2001
Ahmed S. Abou-Sayed; Quanxin Guo
May 1, 2000
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February 23, 2000
Zissis Moschovidis; Ronald Steiger; Richard Peterson; Norm Warpinski; Chris Wright; Ed Chesney; Joe Hagan; Ahmed Abou-Sayed; Richard Keck; Matt Frankl; Carole Fleming; Steve Wolhart; Buddy McDaniel; Allen Sinor; Steinar Ottesen; Lynn Miller; Reid Beecher; John Dudley; Dick Zinno; Oktay Akhmedov
October 25, 1999
S. Suarez; A. Abou-Sayed
July 7, 1999
Wilson, S.M., Steiger, R.P., Moschovidis, Z.A., Abou-Sayed, A.S., and DeBree, P.H.
June 7, 1999
Zissis Moschovidis; Ronald Steiger; Xiaowei Weng; Matt Frankl; Ahmed Abou-Sayed; Carole Fleming; Steve Wolhart; Buddy McDaniel; Allen Sinor; Steinar Ottesen; Terry Herbert; Chris Wright; Norm Warpinski; Reid Beechef; John Dudley; Dick Zinno; Oktay Akhmed
September 27, 1998
Moschovidis, Z.A., Steiger, R.P., Weng, X., and Abou-Sayed, A.S.
July 8, 1998
M.F. Khodaverdian; A.S. Abou-Sayed; R. Ramos; Q. Guo; J.D. McLennan
May 1, 1998
Abou-Sayed, A.S., Ahmed, U., and Jones, Al., Terratek, Inc.