Donald E. Griffiths
7Patents
7h-index
10Co-inventors
60Inventor score
Filing activity: Jun 19, 1974 → Jun 22, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5551141A | Method of injection moulding a polymeric material insert into a metal shell | Emerging Cross-Sectional Technologies | 37 | Expired |
| US3940794A | Stacked flexible record disk storage apparatus having enhanced disk separation | Physics | 35 | Expired |
| US6564958B1 | Tamper evident closures | Performing Operations; Transporting | 15 | Expired |
| US4019204A | Fluidic transducer access opening in a stack of flexible record disks | Physics | 13 | Expired |
| US3969767A | Spacer supports for flexible disk structures | Physics | 10 | Expired |
| US3931645A | Flexible disk storage apparatus having disks of various radii for enhancing axial disk location | Physics | 9 | Expired |
| US3974524A | Magnetic storage apparatus employing flexible record disks with peripheral disk-identification means | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.