Wabash Ry. Co. v. Dock & Terminal Engineering Co.
Court of Appeals for the Sixth Circuit
1Opinion of the Court
HICKENLOOPER, Circuit Judge.
The validity of patent No. 1,089,405, issued to W. S. Ferguson, March 10, 1914, for a reinforced concrete dock or pier, has been thrice recognized by this court. Detroit Iron & Steel Co. v. Carey, 236 F. 924; City of Detroit v. Kahn, 22 F.(2d) 613; Detroit Ry. & H. Terminals v. Ferguson et al., 41 F.(2d) 688. It is therefore not considered necessary here to repeat the discussion of the nature of the invention, the scope of the claims, or the state of the prior art. Nor do we consider that a re-examination of the question of validity is required by the present…
2Cases cited3 opinions
- Detroit Iron & Steel Co. v. CareyCourt of Appeals for the Sixth Circuit · 1916
- City of Detroit v. KahnCourt of Appeals for the Sixth Circuit · 1927
- Detroit Ry. & Harbor Terminals v. FergusonCourt of Appeals for the Sixth Circuit · 1930
3Cited by1 opinion
- Carey v. Ford Motor Co.Court of Appeals for the Sixth Circuit · 1940