Robert L. Kasprzycki
10Patents
6h-index
5Co-inventors
51Inventor score
Filing activity: May 2, 1983 → Dec 8, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD310209S | Hand held electronic dictionary | General | 39 | Expired |
| US4521981A | Key holder | Human Necessities | 35 | Expired |
| US4808017A | Pivotable character display for a typewriter | Performing Operations; Transporting | 21 | Expired |
| USD289638S | Housing for an electronic push button dialer | General | 14 | Expired |
| USD319223S | Pocket electronic dictionary | General | 10 | Expired |
| USD301041S | Typewriter | General | 8 | Expired |
| USD317321S | Typewriter | General | 4 | Expired |
| USD311926S | Typewriter | General | 3 | Expired |
| USD308535S | Typewriter | General | 3 | Expired |
| USD322087S | Typewriter | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.