Legal Opinion
Bettis v. Patterson-Ballagh Corporation
District Court, S.D. California
Decided September 22, 1936No. 945-YPublishedCited by 9 opinions
1Opinion of the Court
YANKWICH, District Judge.
The plaintiff is the owner of a patent on a well-casing protector and also of a patent on an improved well-casing protector which he licensed to C. L. Patterson and J. C. Ballagh to manufacture and sell. Their interest was assigned to the corporation defendant. The well-casing protectors consist of heavy rubber rings of an interior diameter smaller than the drill pipe on which they are to be placed and used. They are of such size and thickness as to require mechanical means to expand them for the purpose of placing them on the drill pipes. The plaintiff devised such…
2Cases cited28 opinions
- Ashwander v. Tennessee Valley AuthoritySupreme Court of the United States · 1936
- Massachusetts v. MellonSupreme Court of the United States · 1923
- Muskrat v. United StatesSupreme Court of the United States · 1911
- American Well Works Company v. Layne and Bowler CompanySupreme Court of the United States · 1916
- Arizona v. CaliforniaSupreme Court of the United States · 1931
23 more not listed; retrieve them via the Exa API.
3Cited by9 opinions
- Treemond Co. v. Schering CorporationCourt of Appeals for the Third Circuit · 1941
- Maryland Casualty Co. v. HubbardDistrict Court, S.D. California · 1938
- Redlands Foothill Groves v. JacobsDistrict Court, S.D. California · 1940
- Bellefonte Reinsurance Co. v. Aetna Casualty & Surety Co.District Court, S.D. New York · 1984
- Johnson & Johnson v. C. B. Stenvall, Inc.District Court, S.D. New York · 1961
4 more not listed; retrieve them via the Exa API.