|
| US4286261 | 1 Sep 1978 | 25 Aug 1981 | The United States of America as represented by the Secretary of the Army | Apparatus for discriminating between strain and magnetic stimuli in magnetic cored solenoid type transducer line sensors |
| US4326198 | 18 Aug 1976 | 20 Apr 1982 | Knogo Corporation | Method and apparatus for the promotion of selected harmonic response signals in an article detection system |
| US4664376 | 30 Jun 1983 | 12 May 1987 | | Line fault detector |
| US4866417 | 24 Apr 1987 | 12 Sep 1989 | Specific Cruise Systems, Inc. | Automobile intruder alarm system |
| US5079538 | 1 Jun 1989 | 7 Jan 1992 | Specific Cruise Systems, Inc. | Automobile intruder alarm system |
| US5402106 | 6 May 1993 | 28 Mar 1995 | Anthony M. DiPaolo
John T. Hood | Shopping cart theft prevention system |
| US6204772 | 16 Dec 1999 | 20 Mar 2001 | Caterpillar Inc. | Method and apparatus for monitoring the position of a machine |
| US7298260 | 9 Mar 2005 | 20 Nov 2007 | | Tesla coil security system |
