John Madsen
2Patents
2h-index
5Co-inventors
27Inventor score
Filing activity: Sep 20, 1996 → Mar 28, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5800274A | Bowling alley bumper system for producing visual effects | Human Necessities | 12 | Expired |
| US5779554A | Three-dimensional bowling alley masking unit | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.