Crews, Inc.
7Patents
0Active
7Granted
25Portfolio score
Filing activity: Feb 22, 1995 → May 24, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD401607S | Safety glasses | General | 87 | Expired |
| US5657106A | Safety goggle assembly including corrective lenses | Physics | 66 | Expired |
| USD372490S | Safety glasses and prescription lens insert combination | General | 54 | Expired |
| US5493348A | Means for mounting a prescription lens accessory onto a pair of glasses | Physics | 28 | Expired |
| US5608470A | Prescription lens attachable to safety glasses | Physics | 26 | Expired |
| US5980038A | Angularly adjustable temples for eyeglasses | Physics | 18 | Expired |
| US6464354B1 | Eyeglasses with improved lens tilting support structure | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.