Individual holder
LEFEBVRE FREDRICK L
US·3 granted patents·58 citations·filing 1979–1986
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0165US4707590AImmersion heater deviceLEFEBVRE FREDRICK L·Filed 1986·Granted Nov 17, 1987·26 cites·10 claims
- 0254US4551619ACable structure for immersion heaters or the likeLEFEBVRE FREDRICK L·Filed 1985·Granted Nov 5, 1985·17 cites·12 claims
- 0354US4234785ALiquid level responsive control deviceLEFEBVRE FREDRICK L·Filed 1979·Granted Nov 18, 1980·15 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →