Legal Opinion
Ronning Mach. Co. v. Caterpillar Tractor Co.
District Court, S.D. Illinois
Decided February 19, 1941No. P-64PublishedCited by 1 opinion
1Opinion of the Court
ADAIR, District Judge.
This cause arises upon the charge of infringement of Patent No. 2,020,271, commonly known as the Winsor Patent, and especially as to claims 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 19, 20 21, 22, 23, 24, 26, 27, 28, 29, 30 and 31, are charged to be infringed by the Caterpillar Auto Patrols and Caterpillar Motor Graders of the “12” series.
It is also charged that Patent No. 19,846, known as the Ronning reissue patent, and especially as to claims 1, 2, 3, 4, 5, and 6 are infringed by the Caterpillar Auto Patrols and “12” series motor graders.
Also, that Patent No.…
2Cases cited4 opinions
- Galion Iron Works & Mfg. Co. v. Beckwith MacHinery Co.Court of Appeals for the Third Circuit · 1939
- Myers v. Austin-Western Road Machinery Co.Court of Appeals for the Seventh Circuit · 1930
- Myers v. Hadfield-Penfield Steel Co.Court of Appeals for the Sixth Circuit · 1926
- Galion Iron Works & Mfg. Co. v. Beckwith Machinery Co.District Court, W.D. Pennsylvania · 1938
3Cited by1 opinion
- Daniel v. O. & M. Mfg. Co.District Court, S.D. Texas · 1952