Robert Butkiewicz
7Patents
4h-index
17Co-inventors
50Inventor score
Filing activity: Feb 8, 2002 → Jun 17, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6508179B2 | Unpowered toy vehicle play set | Human Necessities | 30 | Expired |
| US6663464B2 | Toy car wash play set | Human Necessities | 16 | Expired |
| US6896574B2 | Magnetically coupled toy vehicles | Human Necessities | 11 | Expired |
| US7442109B2 | Articulated, steerable, toy vehicle | Human Necessities | 6 | Expired |
| US7469899B1 | Electronic board game system with automated opponent | Human Necessities | 4 | Active |
| US9844252B2 | Hair curling system and method that utilizes bi-stable ribbon springs | Human Necessities | 3 | Active |
| US7677574B1 | Random chance device for use in a game where cards are drawn during play | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.