Assignee
POLK INVEST CORPORATION
4 granted patents·59 citations·filing 1992–1993
Top patents by PatentIndex Score
4 records- 0187USD357480SEdge surround for speakerPOLK INVEST CORPORATION·Filed 1993·Granted Apr 18, 1995·33 cites·1 claims
- 0260USD350135SEnclosed speaker for vehicle usePOLK INVEST CORPORATION·Filed 1992·Granted Aug 30, 1994·11 cites·1 claims
- 0358USD351839SSpeakerPOLK INVEST CORPORATION·Filed 1992·Granted Oct 25, 1994·10 cites·1 claims
- 0442USD351388SCombined speaker and integral standPOLK INVEST CORPORATION·Filed 1992·Granted Oct 11, 1994·5 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →