Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8684157 | Currency discrimination system and method | Jay D. Freeman, Tomasz M. Jagielinski, George S. Krastev, Danny D. Yang | 2014-04-01 |
| 8322505 | Currency discrimination system and method | Jay D. Freeman, Tomasz M. Jagielinski, George S. Krastev, Danny D. Yang | 2012-12-04 |
| 7762380 | Currency discrimination system and method | Jay D. Freeman, Tomasz M. Jagielinski, George S. Krastev, Danny D. Yang | 2010-07-27 |
| 7295107 | Ferromagnetic detection pillar | R. Kemp Massengill, Richard J. McClure | 2007-11-13 |
| 7239134 | Screening method and apparatus | Richard J. McClure, R. Kemp Massengill | 2007-07-03 |
| 7239223 | Enhancement magnetizer for magnetic resonance imaging screening | R. Kemp Massengill | 2007-07-03 |
| 6549368 | Segmented plate hub hold down system for recording medium | — | 2003-04-15 |
| 6372338 | Spherical magnetic particles for magnetic recording media | Bradford D. West, Robert O. James, Frederick R. Chamberlain, IV, Neil Smith, Ronald M. Wexler | 2002-04-16 |
| 6233407 | Camera with magnetic roller recorder for repetitively recording information along magnetic track on filmstrip | James K. Lee | 2001-05-15 |
| 5757183 | Device to shield a magnetic field in a given plane | Neil Smith | 1998-05-26 |
| 5717381 | Copyright protection for photos and documents using magnetic elements | Tomasz M. Jagielinski, Jay D. Freeman, Frederick R. Chamberlain, IV | 1998-02-10 |
| 5717967 | Method and camera for writing hand-generated information on a filmstrip in the camera | J. Kelly Lee, Gerald Angeli, Svetlana Reznik, Dale F. McIntyre | 1998-02-10 |
| 5714747 | Magnetic card and reader system | Bradford D. West, Greg A. Burg, Steven J. Adamson, Frederick R. Chamberlain, IV, Tomasz Mark Jagielinski +2 more | 1998-02-03 |
| 5705924 | Hall effect sensor for detecting an induced image magnet in a smooth material | — | 1998-01-06 |
| 5700594 | Magnetic medium capable of supporting both longitudinal and perpendicular recording, and method of making same | — | 1997-12-23 |
| 5698839 | Magnetically encodable card having magnetic pigment uniformly dispersed in plastic | Tomasz Mark Jagielinski, Robert O. James | 1997-12-16 |
| 5691682 | Very high field micro magnetic roller and method of making same | Svetlana Reznik, J. Kelly Lee | 1997-11-25 |
| 5689184 | Large scale metallic object detector | Tomasz M. Jagielinski | 1997-11-18 |
| 5644228 | Permanent magnet assembly with MR and DC compensating bias | Neil Smith, Jay D. Freeman, Kent Gandola, Peter VanderSalm Koeppe | 1997-07-01 |
| 5629620 | Apparatus and method for measurement of magnetic remanence-thickness product of thin magnetic layers | Neil Smith | 1997-05-13 |
| 5613712 | Magnetic fingerprint for secure document authentication | — | 1997-03-25 |
| 5565772 | High sensitivity magnetic viewer using anhysteretic transfer for viewing weak magnetic patterns | — | 1996-10-15 |
| 5554932 | Measurement of a saturation magnetic flux density through use of a rotating permanent magnet | — | 1996-09-10 |
| 5552589 | Permanent magnet assembly with MR element for detection/authentication of magnetic documents | Neil Smith, Kent Gandola, Peter VanderSalm Koeppe | 1996-09-03 |
| 5543911 | Method of currency or document validation by use of an anti-counterfeiting magnetic viewing strip | — | 1996-08-06 |