D/Punch Co.
1Patents
0Active
1Granted
19Portfolio score
Filing activity: Oct 18, 1982 → Oct 18, 1982
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4466024A | Two-sided use of floppy disks | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.