Assignee
CALIFONE INTERNATIONAL INC
US·3 granted patents·64 citations·filing 1975–1995
Top patents by PatentIndex Score
3 records- 0185US4547678AHybrid electric vehicle control methods and devicesCALIFONE INTERNATIONAL INC·Filed 1984·Granted Oct 15, 1985·49 cites·6 claims
- 0235US4031634ATeaching deviceCALIFONE INTERNATIONAL INC·Filed 1975·Granted Jun 28, 1977·7 cites·17 claims
- 0332US5619584AHeadphoneCALIFONE INTERNATIONAL INC·Filed 1995·Granted Apr 8, 1997·8 cites·4 claims
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