Legal Opinion
Bryan v. Garrett Oil Tools, Inc.
Court of Appeals for the Fifth Circuit
Decided June 10, 1957No. 16053PublishedCited by 16 opinions
1Opinion of the Court
TUTTLE, Circuit Judge.
These are cross-appeals from a judgment of the district court which had upheld the validity of one patent owned by plaintiff and one patent owned by defendant and had found infringement as to each, while'holding that another of plaintiff’s patents was invalid and not infringed by defendant; each party appeals from all parts of the judgment adverse to it.
All the patents involved relate to the design and operation of certain valves used in the extraction of oil from wells by the so-called “gas-lift” method. In order to cause oil to flow from a well which by itself does not…
2Cases cited6 opinions
- Dunbar v. MyersSupreme Court of the United States · 1876
- Hunt Tool Company and Louis Davis v. Richard R. Lawrence, Dailey Oil Tools, Inc., and Houston Oil Field Materials Co., Inc.Court of Appeals for the Fifth Circuit · 1957
- Nestle-Le Mur Co. v. Eugene, Ltd.Court of Appeals for the Sixth Circuit · 1932
- Guiberson Corp. v. Garrett Oil Tools, Inc.Court of Appeals for the Fifth Circuit · 1953
- Blackmore v. Ford Motor Co.Court of Appeals for the Sixth Circuit · 1932
1 more not listed; retrieve them via the Exa API.
3Cited by16 opinions
- Inglett & Company, Inc. v. Everglades Fertilizer Company, Inc.Court of Appeals for the Fifth Circuit · 1958
- Thomas E. Bryan v. Sid W. Richardson, Inc.Court of Appeals for the Fifth Circuit · 1958
- Hahn & Clay v. A. O. Smith Corporation, A. O. Smith Corporation v. Hahn & Clay, Lawrence F. Megow, and Raymond E. PechacekCourt of Appeals for the Fifth Circuit · 1963
- Bros Inc. v. W. E. Grace Manufacturing Co.Court of Appeals for the Fifth Circuit · 1965
- Connecticut Valley Enterprises, Inc. v. United StatesUnited States Court of Claims · 1965
11 more not listed; retrieve them via the Exa API.