Individual holder
GARDINER ROBERT F
3 granted patents·56 citations·filing 1975–1980
Individually held — no corporate assignee on record.
Technology mixG01V3
Top patents by PatentIndex Score
3 records- 0167US3986104ADual frequency metal detector systemGARDINER ROBERT F·Filed 1976·Granted Oct 12, 1976·27 cites·11 claims
- 0261US3961238ASelective metal detector circuit having dual tuned resonant circuitsGARDINER ROBERT F·Filed 1975·Granted Jun 1, 1976·21 cites·3 claims
- 0332US4344034ASelective/ground neutralizing metal detectorGARDINER ROBERT F·Filed 1980·Granted Aug 10, 1982·8 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →