This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Decision on Oil Flotation Case Clarifies Patent Validity
The court holds the core oil flotation patent valid as to claims 1 2 8 5 6 7 and 12 and finds infringement by the defendant, but rules claims 9 10 and 11 invalid. It confines the patent to critical oil amounts below 1 percent and stresses the inventor’s active role in guiding experiments.
MENTIONED IN THIS ARTICLE
United States
Everson
Proment
Italy
Great Britain
Glagner
Schwartz
Kirby
Haynes Brush
Robson
Elmore
House of Lords
Minerals Separation, Limited
British Air, Concentration Syndicate, Limited
R. PC
Lord Shaw
Australia
Sweden
Chile
Cuba
Diamond Rubber Co
Consolidated Tire Co
U. S
Carnegie Steel Co
Cambria Iron Co
U.S
Smith Vs. Goodyear Dental Vulcanite Co
Agawam Company
Jordan
Mowry
Whitney
Wall
Ives
Hamilton
Carnegie Steel Company Verti Cambria Iron Company
District Court
Circuit Court of Appeals