Assignee
SECURITY TAG SYSTEMS INC
US·26 granted patents·1,109 citations·filing 1981–1993
Top patents by PatentIndex Score
26 records- 0196US4523356ABall clutch mechanism with two sets of balls in separate radial planesSECURITY TAG SYSTEMS INC·Filed 1984·Granted Jun 18, 1985·96 cites·18 claims
- 0294US4944075ADetrimental-substance-containing theft-deterrent deviceSECURITY TAG SYSTEMS INC·Filed 1989·Granted Jul 31, 1990·82 cites·13 claims
- 0392US4481428ABatteryless, portable, frequency divider useful as a transponder of electromagnetic radiationSECURITY TAG SYSTEMS INC·Filed 1981·Granted Nov 6, 1984·71 cites·17 claims
- 0490US5054172AExpulsion of detrimental substance from theft-deterrent deviceSECURITY TAG SYSTEMS INC·Filed 1990·Granted Oct 8, 1991·66 cites·20 claims
- 0587US5031287ADetrimental-substance-containing theft-deterrent deviceSECURITY TAG SYSTEMS INC·Filed 1989·Granted Jul 16, 1991·69 cites·26 claims
- 0685US4727360AFrequency-dividing transponder and use thereof in a presence detection systemSECURITY TAG SYSTEMS INC·Filed 1986·Granted Feb 23, 1988·69 cites·20 claims
- 0784US5140836ATheft-deterrent device including clampSECURITY TAG SYSTEMS INC·Filed 1991·Granted Aug 25, 1992·56 cites·10 claims
- 0883US5337459AMagnetically releasable clampSECURITY TAG SYSTEMS INC·Filed 1993·Granted Aug 16, 1994·47 cites·16 claims
- 0977US5347262ATheft-deterrent device providing force-sensitive tamper detectionSECURITY TAG SYSTEMS INC·Filed 1992·Granted Sep 13, 1994·76 cites·20 claims
- 1077US4692746ARecording-tape-reel assembly with electronic tagSECURITY TAG SYSTEMS INC·Filed 1986·Granted Sep 8, 1987·27 cites·5 claims
- 1176US4882569ADeactivatable fequency-dividing-transponder tagSECURITY TAG SYSTEMS INC·Filed 1988·Granted Nov 21, 1989·49 cites·11 claims
- 1274US5069047ARelease of pin-clutch mechanism in theft-deterrent deviceSECURITY TAG SYSTEMS INC·Filed 1990·Granted Dec 3, 1991·44 cites·16 claims
- 1371US5065137AMagnetically-coupled, two-resonant-circuit, frequency-division tagSECURITY TAG SYSTEMS INC·Filed 1990·Granted Nov 12, 1991·48 cites·20 claims
- 1470US5406262AAdjusting magnetic bias field intensity in EAS presence detection system to enhance detectionSECURITY TAG SYSTEMS INC·Filed 1993·Granted Apr 11, 1995·44 cites·16 claims
- 1569US5022244APin-clutch mechanism for theft-deterrent deviceSECURITY TAG SYSTEMS INC·Filed 1990·Granted Jun 11, 1991·37 cites·15 claims
- 1666US4670740APortable, batteryless, frequency divider consisting of inductor and diodeSECURITY TAG SYSTEMS INC·Filed 1985·Granted Jun 2, 1987·31 cites·3 claims
- 1763USRE35361EExpulsion of detrimental substance from theft-deterrent deviceSECURITY TAG SYSTEMS INC·Filed 1992·Granted Oct 29, 1996·28 cites·22 claims
- 1861US4654641AFrequency divider with single resonant circuit and use thereof as a transponder in a presence detection systemSECURITY TAG SYSTEMS INC·Filed 1985·Granted Mar 31, 1987·24 cites·38 claims
- 1959US5355120AFrequency-dividing-transponder tagSECURITY TAG SYSTEMS INC·Filed 1992·Granted Oct 11, 1994·28 cites·9 claims
- 2057US5241298AElectrically-and-magnetically-coupled, batteryless, portable, frequency dividerSECURITY TAG SYSTEMS INC·Filed 1992·Granted Aug 31, 1993·24 cites·21 claims
- 2156US5414412AFrequency dividing transponder, including amorphous magnetic alloy and tripole strip of magnetic materialSECURITY TAG SYSTEMS INC·Filed 1993·Granted May 9, 1995·22 cites·11 claims
- 2253US5065138AMagnetically-coupled two-resonant-circuit, frequency divider for presence-detection-system tagSECURITY TAG SYSTEMS INC·Filed 1990·Granted Nov 12, 1991·21 cites·20 claims
- 2351US5015953AMagnetometer for detecting DC magnetic field variationsSECURITY TAG SYSTEMS INC·Filed 1986·Granted May 14, 1991·12 cites·24 claims
- 2446US4964951AProcess for making secure paper productSECURITY TAG SYSTEMS INC·Filed 1989·Granted Oct 23, 1990·17 cites·5 claims
- 2544US4968972AConversion of bias strip in a frequency-dividing-transponder tag into a tripole bar magnet to deactivate the tagSECURITY TAG SYSTEMS INC·Filed 1989·Granted Nov 6, 1990·12 cites·12 claims
- 2641US4835028ASecure paper productSECURITY TAG SYSTEMS INC·Filed 1987·Granted May 30, 1989·9 cites·12 claims
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