Hotchkiss v. Greenwood SKH
From Bill Goodwine's Wiki
Summary
- Patent for a process of making knobs for doors and cabinets
- Claimed novelty for material
- Nothing new about door knobs or the shanks/axels to turn the latch
- Ultimately arguing about jury instructions
- questions of law and questions of fact
Decision
- Decided there was nothing other than substitution of material
- Patent is not valid because nothing with invented