Sanders v. Hancock
Court of Appeals for the Sixth Circuit
Appeal from the Circuit Court of the United States for the Eastern District of Tennessee. This appellee, Hancock, brought this suit in-equity, complaining of the infringement by the appellant, Sanders, of three several patents, one of them being patent No. 556,972, dated March 24, 1896, issued to Keating as assignee of Hardy, and subsequently assigned by Keating to the complainant; another being patent No. 643,499, dated February 13, 1900, issued to the complainant; and the…
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Appeal from the Circuit Court of the United States for the Eastern District of Tennessee. This appellee, Hancock, brought this suit in-equity, complaining of the infringement by the appellant, Sanders, of three several patents, one of them being patent No. 556,972, dated March 24, 1896, issued to Keating as assignee of Hardy, and subsequently assigned by Keating to the complainant; another being patent No. 643,499, dated February 13, 1900, issued to the complainant; and the third, being patent No. 692,655, dated February 4, 1902, also issued to the complainant; and praying for an injunction…
1Opinion of the CourtSeverens, Circuit Judge
The principal controversy between the parties in th^s case relates to the validity of the two- patents which were sustained by the Circuit Court. The defendant in that court contended there, as he does here, in respect to these patents, that at the time of the alleged inventions the progress of the art of manufacturing rotary disc plows had advanced so far in the direction of said inventions that no more than the skill of those conversant with the business was required to devise the alleged improvements.
Rotary disc plows, although they have been the subject of invention for 25 years or…
2Cases cited13 opinions
- Lehnbeuter v. HolthausSupreme Court of the United States · 1882
- Krementz v. S. Cottle Co.Supreme Court of the United States · 1893
- Frederick R. Stearns & Co. v. RussellCourt of Appeals for the Sixth Circuit · 1898
- Evans v. EatonSupreme Court of the United States · 1818
- Sewall v. JonesSupreme Court of the United States · 1875
8 more not listed; retrieve them via the Exa API.
3Cited by14 opinions
- New York Scaffolding Co. v. WhitneyCourt of Appeals for the Eighth Circuit · 1915
- National Tube Co. v. MarkCourt of Appeals for the Sixth Circuit · 1914
- National Tube Co. v. AikenCourt of Appeals for the Sixth Circuit · 1908
- Torrey v. HancockCourt of Appeals for the Eighth Circuit · 1910
- Luten v. Kansas City Bridge Co.Court of Appeals for the Eighth Circuit · 1922
9 more not listed; retrieve them via the Exa API.