Inventor · disambiguated record

Frederick M. Kruger

Also filed as: KRUGER FREDERICK M

2 granted patents·641 citations·filing 1995–1995

70Inventor score

Technology areasH04M H04R

Files withLEIFER RICHARD1

Top patents by PatentIndex Score

2 records

0190US5692059ATwo active element in-the-ear microphone systemFiled 1995·Granted Nov 25, 1997·632 cites·14 claims
0239US5768344AMethod and apparatus for screening telephone calls in response to an answering device beep toneLEIFER RICHARD·Filed 1995·Granted Jun 16, 1998·9 cites·20 claims

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