Ellis v. Schlimmer , 54 Tex. Sup. Ct. J. 793 ( 2011 )
Schlumberger Technology Corp. v. Baker Hughes Inc. , 2011 Tex. App. LEXIS 8226 ( 2011 )
Lehmann v. Har-Con Corp. , 44 Tex. Sup. Ct. J. 364 ( 2001 )