Donald H. Frey
4Patents
3h-index
4Co-inventors
47Inventor score
Filing activity: Apr 6, 1990 → Sep 13, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5120532A | Hair styling shampoos | Human Necessities | 83 | Expired |
| US5120531A | Hair styling conditioners | Human Necessities | 43 | Expired |
| US5104642A | Hair styling compositions containing particular hair styling polymers and non-aqueous solvents | Emerging Cross-Sectional Technologies | 35 | Expired |
| US8598109B2 | Fabric softener | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.