Related Clues:
- Inventor with a bright idea
- Famous lab director
- -- -Bo (exercise system)
- American inventor's monogram
- Phonograph inventor
- Inventor from Menlo Park
- He worked on a light schedule
- Stock ticker maker's inits.
- Light creator
- His first patent was for an electric vote recorder
- Famous inventor's initials
- Stock ticker innovator
- Light bulb inventor
- Light-bulb inventor
- 'Inventive' monogram