Legal Opinion
Buchanan v. Wyeth Hardware & Manufacturing Co.
Court of Appeals for the Eighth Circuit
Decided February 18, 1931No. 8935PublishedCited by 14 opinions
1Opinion of the Court
KENYON, Circuit Judge.
This suit, in which appellants were plaintiffs, is for an alleged infringement of patent No. 1,670,235, granted to Isaac W. P. Buchanan May 15, 1928, for a hand-operated liquid variable spray device. The G-V Sprayer Company is Buchanan’s licensee. Appellee (defendant) is a hardware company at St. Joseph, Mo. The defenses are the usual ones of invalidity and noninfringement. The trial court held that the Buchanan patent was invalid for want of invention; that it was clearly anticipated by the D. B. Smith patent of August 15, 1911, No. 1,000,447; that Buchanan made only…
2Cases cited37 opinions
- Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
- McClain v. OrtmayerSupreme Court of the United States · 1891
- Miller v. Eagle Manufacturing Co.Supreme Court of the United States · 1894
- Mast, Foos & Co. v. Stover Manufacturing Co.Supreme Court of the United States · 1900
- Potts v. CreagerSupreme Court of the United States · 1895
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3Cited by14 opinions
- Cover v. SchwartzCourt of Appeals for the Second Circuit · 1942
- Donner v. Sheer Pharmacal CorporationCourt of Appeals for the Eighth Circuit · 1933
- Mettler v. Peabody Engineering Corp.Court of Appeals for the Ninth Circuit · 1935
- Steffan v. Weber Heating & Sheet Metal Co.Court of Appeals for the Eighth Circuit · 1956
- Hall v. KellerCourt of Appeals for the Fifth Circuit · 1950
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