Assignee
SPAN INC
US·8 granted patents·1,001 citations·filing 1986–2003
Top patents by PatentIndex Score
8 records- 0195US7130190B1Computer servicing cartSPAN INC·Filed 2003·Granted Oct 31, 2006·160 cites·18 claims
- 0293US5563496ABattery monitoring and charging control unitSPAN INC·Filed 1994·Granted Oct 8, 1996·339 cites·47 claims
- 0387US5349282ABattery charging and monitoring systemSPAN INC·Filed 1991·Granted Sep 20, 1994·161 cites·15 claims
- 0486US4746854ABattery charging system with microprocessor control of voltage and current monitoring and control operationsSPAN INC·Filed 1986·Granted May 24, 1988·99 cites·16 claims
- 0583US4935906AScanning sonar systemSPAN INC·Filed 1988·Granted Jun 19, 1990·53 cites·23 claims
- 0683US4918368ASystem for charging batteries and measuring capacities and efficiencies thereofSPAN INC·Filed 1988·Granted Apr 17, 1990·82 cites·14 claims
- 0776US5198743ABattery charger with microprocessor controlSPAN INC·Filed 1990·Granted Mar 30, 1993·79 cites·27 claims
- 0868US6373676B1Magnetic floatation control systemSPAN INC·Filed 1999·Granted Apr 16, 2002·28 cites·26 claims
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