 He applied for a patent on this improvement, which was granted in 1953 as (referred to by the court as the '798 patent).While Graham's patent had been upheld in a previous case before the United States Court of Appeals for the Fifth Circuit, the United States Court of Appeals for the Eighth Circuit reversed the opinion of the United States District Court for the Western District of Missouri and held that the patent was invalid and that the John Deere Co. had not infringed upon it.The other two actions which were consolidated with the Graham case, (No.