[DOWNLOAD] "Wiegand v. W. Bingham Co." by United States Court Of Appeals For The Sixth Circuit # eBook PDF Kindle ePub Free
eBook details
- Title: Wiegand v. W. Bingham Co.
- Author : United States Court Of Appeals For The Sixth Circuit
- Release Date : January 18, 1939
- Genre: Law,Books,Professional & Technical,
- Pages : * pages
- Size : 60 KB
Description
The suit which led to the decree assailed by appeal and cross-appeal was for infringement of two patents granted to Wiegand for electrical heating elements, the first numbered 1,614,330, granted January 11, 1927, and the second, No. 1,614,938, granted January 18, 1927, upon a divisional application for a heating element of the strip type. The plaintiffs were the inventor and his exclusive licensee. The suit was brought against a jobber in Cleveland, Ohio, but the manufacturer of the alleged infringing heater intervened and counter-claimed for infringement of Lightfoot patent No. 1,699,898. The District Court held the first Wiegand patent (330) valid but not infringed, the second Wiegand patent (938) invalid because of lack of patentable distinction between it and the first, and the Lightfoot patent invalid.