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- "William B. Sickels and Others vs. David L. Youngs and Stephen Cutter," 1855 - Frederick Sickels patented a drop cut-off valve for steam engines in 1842. The holders of Sickels's patent sued George Corliss and other defendants in the mid-1800s, claiming Corliss's improvements in steam engine design -- based on a valve gear patented by Corliss in 1849 -- infringed on their patent. Powerful lawyers clashed in the U.S. Circuit Courts. Corliss's claim eventually won out.
- 1855
- Collections - Artifact
"William B. Sickels and Others vs. David L. Youngs and Stephen Cutter," 1855
Frederick Sickels patented a drop cut-off valve for steam engines in 1842. The holders of Sickels's patent sued George Corliss and other defendants in the mid-1800s, claiming Corliss's improvements in steam engine design -- based on a valve gear patented by Corliss in 1849 -- infringed on their patent. Powerful lawyers clashed in the U.S. Circuit Courts. Corliss's claim eventually won out.