Erin D. Spring
9Patents
4h-index
8Co-inventors
50Inventor score
Filing activity: Oct 27, 1999 → Nov 16, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD870782S1 | Coated abrasive disc | General | 44 | Active |
| USD849067S1 | Coated abrasive disc | General | 43 | Active |
| USD879164S1 | Coated abrasive disc | General | 5 | Active |
| US6480347B1 | Device for reproducible positioning of optical surfaces | Physics | 5 | Expired |
| USD427530S | Refractometer | General | 4 | Expired |
| USD879166S1 | Coated abrasive belt | General | 0 | Active |
| US11597059B2 | Coated abrasive disc and methods of making and using the same | Performing Operations; Transporting | 0 | Active |
| US11607775B2 | Coated abrasive disc and methods of making and using the same | Performing Operations; Transporting | 0 | Active |
| USD879165S1 | Coated abrasive belt | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.