Richard Woldenberg
6Patents
6h-index
10Co-inventors
56Inventor score
Filing activity: Nov 16, 1994 → Dec 1, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5851118A | Digital and analog teaching clock | Physics | 17 | Expired |
| US7018210B2 | Method and apparatus for teaching and learning reading | Physics | 14 | Expired |
| US5597308A | Assembly including interlocking components for teaching mathematical concepts | Physics | 12 | Expired |
| USD377949S | Digital/analog teaching clock | General | 10 | Expired |
| USD379315S | Educational balance | General | 7 | Expired |
| US6086105A | Book for packaging activity pieces in an activity kit | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.