ROBB, Associate Justice.
Appeal from a decision of the Commissioner of Patents in an interference proceeding, awarding priority to the junior party, Black, to whom a patent was inadvertently issued.
The invention relates to a process and apparatus for the refining of petroleum oil. Owing to the view we take of the case, a detailed description of the invention is unnecessary.
For many years prior to 1919, Mr. Black, who was highly skilled in this art...
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