Roger Gardner
10Patents
8h-index
10Co-inventors
65Inventor score
Filing activity: Jul 11, 1989 → Feb 20, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6274800A | Convertible musical instrument | Physics | 27 | Expired |
| US5823849A | Circuit with intermittent sensing of liquid contact, and game method | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5052973A | Toy car launcher with cable driven shuttle and pulleys | Human Necessities | 23 | Expired |
| US5816580A | Electronic paddle game | Human Necessities | 13 | Expired |
| US4949489A | Edge-lit multiple image display device | Physics | 10 | Expired |
| US6171172A | Toy that senses obstacles to activate sound and turning | Human Necessities | 9 | Expired |
| US5672131A | Electronic paddle game | Human Necessities | 9 | Expired |
| US5605328A | Tabletop basketball game with play figures on operable rods | Human Necessities | 8 | Expired |
| US7594349B2 | Edge animation multiple image display device | Physics | 2 | Active |
| US8460051B2 | Water ID technology toys and toy playsets | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.