Inventor · disambiguated record
Frederic J. Liethen
Also filed as: LIETHEN FREDERIC J
7 granted patents·237 citations·filing 1985–2007
88Inventor score
Top patents by PatentIndex Score
7 records- 0194US7789040B2Jelly/jam bird feederGOLD CREST DISTRIBUTING LLC·Filed 2007·Granted Sep 7, 2010·34 cites·11 claims
- 0293US5947054ABee guard for nectar feederFiled 1998·Granted Sep 7, 1999·108 cites·29 claims
- 0384USD290773SBird feeder or similar articleLIETHEN FREDERIC J·Filed 1985·Granted Jul 7, 1987·27 cites·1 claims
- 0471US5671696AMolded bird feeder assemblyFiled 1995·Granted Sep 30, 1997·30 cites·20 claims
- 0548US5551657AWindow attached mounting bracketFiled 1995·Granted Sep 3, 1996·18 cites·6 claims
- 0647US5435268AMolded bird feeder and method of making sameFiled 1994·Granted Jul 25, 1995·14 cites·13 claims
- 0747USD359821SBird feederLIETHEN FREDERIC J·Filed 1994·Granted Jun 27, 1995·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →