ROBB, Associate Justice.
Appeal from concurrent decisions of the Patent Office tribunals awarding 11 counts of the interference to the senior parties.
The invention relates to a road grading machine, called in common parlance a road scraper, in which the front wheel of an ordinary tractor is removed and a frame connected thereto, extending out in front of the tractor, to which an adjustable grading blade is attached.
The Beatty application was filed...
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