Dunham Co. v. Cobb

SIMONS, District Judge.

The two patents in suit relate to a land roller pulver-izer; the Dunham reissue patent being directed to the general structure of the implement, and the Wagner patent to certain details involving the quick detaehability of the frame members to permit a'removal or substitution of roller disks. The so-called roller pulverizer is an agricultural implement which comprises a front rank of roller disks furnishing an uninterrupted, corrugated surface from one end of the roller to the other, and a similar rear rank of smaller roller disks, with the corrugations arranged in…