Chuck Perl
2Patents
0Active
2Granted
17Portfolio score
Filing activity: Mar 20, 1990 → Oct 16, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD338239S | Combined writing instrument holder and cord | General | 10 | Expired |
| USD333151S | Combined pen and holder therefor | General | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.