Gordon Helm
1Patents
0Active
1Granted
26Portfolio score
Filing activity: Feb 25, 1998 → Feb 25, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6225897A | Telephone in-use indicator system | Electricity | 115 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.