David John Christopher
2Patents
2h-index
5Co-inventors
30Inventor score
Filing activity: Nov 22, 1993 → Nov 21, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5431846A | Copolymers and detergent compositions containing them | Chemistry; Metallurgy | 15 | Expired |
| US5858105A | Method for washing plastic returnable beverage bottles with alkaline solution and ultrasonic energy | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.