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[Download] "Lees-Bradner Co. v. National Tool Co." by Sixth Circuit Circuit Court Of Appeals * eBook PDF Kindle ePub Free

Lees-Bradner Co. v. National Tool Co.

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eBook details

  • Title: Lees-Bradner Co. v. National Tool Co.
  • Author : Sixth Circuit Circuit Court Of Appeals
  • Release Date : January 08, 1931
  • Genre: Law,Books,Professional & Technical,
  • Pages : * pages
  • Size : 56 KB

Description

This infringement suit is based upon two patents, relating to machines for grinding gear teeth by generating the appropriate involute curve thereon. The patents in suit are Lees, 1,390,145, September 6, 1921, and Schurr, 1,462,985, July 24, 1925. The District Court held each patent invalid for want of invention.


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