Inventor · disambiguated record

Ralph D. Heinz

Also filed as: HEINZ RALPH D

2 granted patents·194 citations·filing 1995–1996

69Inventor score

Technology areasH04R

Files withRENKU HEINZ INC1 RENKUS HEINZ INC1

Top patents by PatentIndex Score

2 records

0184US5526456AMultiple-driver single horn loud speakerRENKU HEINZ INC·Filed 1995·Granted Jun 11, 1996·160 cites·24 claims
0254US5750943ASpeaker array with improved phase characteristicsRENKUS HEINZ INC·Filed 1996·Granted May 12, 1998·34 cites·6 claims

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