Assignee
ARDAC INC
US·26 granted patents·1,894 citations·filing 1974–1998
Top patents by PatentIndex Score
26 records- 0197US4348656ASecurity validatorARDAC INC·Filed 1979·Granted Sep 7, 1982·232 cites·33 claims
- 0297US4147430ASecondary detection system for security validationARDAC INC·Filed 1976·Granted Apr 3, 1979·218 cites·12 claims
- 0396US4563771AAudible security validatorARDAC INC·Filed 1983·Granted Jan 7, 1986·267 cites·3 claims
- 0496US4513439ASecurity validatorARDAC INC·Filed 1982·Granted Apr 23, 1985·277 cites·1 claims
- 0595US4645936AMulti-denomination currency validator employing a plural selectively-patterned reticleARDAC INC·Filed 1984·Granted Feb 24, 1987·229 cites·9 claims
- 0690US4587412AMagnetic sensor for tray acceptorARDAC INC·Filed 1984·Granted May 6, 1986·206 cites·9 claims
- 0790US4204765AApparatus for testing colored securitiesARDAC INC·Filed 1977·Granted May 27, 1980·50 cites·8 claims
- 0883US4183665AApparatus for testing the presence of color in a paper securityARDAC INC·Filed 1977·Granted Jan 15, 1980·30 cites·12 claims
- 0980US4081131ATray acceptor apparatusARDAC INC·Filed 1976·Granted Mar 28, 1978·59 cites·20 claims
- 1069US4977583ACassette cash box for currency validatorARDAC INC·Filed 1989·Granted Dec 11, 1990·32 cites·15 claims
- 1168US4127328AApparatus for conducting secondary tests for security validationARDAC INC·Filed 1976·Granted Nov 28, 1978·17 cites·8 claims
- 1263US4997405ACoin payout systemARDAC INC·Filed 1989·Granted Mar 5, 1991·23 cites·11 claims
- 1362US5662202ACurrency validator with cassette cash boxARDAC INC·Filed 1995·Granted Sep 2, 1997·77 cites·18 claims
- 1460US4554807ADoor latch mechanismARDAC INC·Filed 1983·Granted Nov 26, 1985·20 cites·11 claims
- 1558US4858744ACurrency validatorARDAC INC·Filed 1988·Granted Aug 22, 1989·40 cites·9 claims
- 1655US4418824ADual stacker for slot acceptorARDAC INC·Filed 1981·Granted Dec 6, 1983·15 cites·10 claims
- 1753US4881919ABulk coin hopperARDAC INC·Filed 1988·Granted Nov 21, 1989·16 cites·10 claims
- 1852US4997128ACassette cash box for currency validatorARDAC INC·Filed 1989·Granted Mar 5, 1991·16 cites·21 claims
- 1950US4504052ANote receptacle for currency validatorARDAC INC·Filed 1982·Granted Mar 12, 1985·16 cites·10 claims
- 2047US4000892ANote storage apparatusARDAC INC·Filed 1974·Granted Jan 4, 1977·6 cites·25 claims
- 2145US5670775ACurrent-boosted positive feedback logarithmic transresistance amplifier for currency validatorsARDAC INC·Filed 1995·Granted Sep 23, 1997·13 cites·17 claims
- 2243US4499464AApparatus for remote authorization for dispensing fluidsARDAC INC·Filed 1982·Granted Feb 12, 1985·11 cites·11 claims
- 2339US5975274ANote acceptor security systemARDAC INC·Filed 1998·Granted Nov 2, 1999·9 cites·12 claims
- 2438US4352559ALogarithmic primary testing system for security validationARDAC INC·Filed 1980·Granted Oct 5, 1982·7 cites·13 claims
- 2533US3934692APositive action coin dispenserARDAC INC·Filed 1974·Granted Jan 27, 1976·4 cites·17 claims
- 2629US6364087B1Adaptive string detector for currency validatorsARDAC INC·Filed 1998·Granted Apr 2, 2002·4 cites·15 claims
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