Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372338 | Spherical magnetic particles for magnetic recording media | Frederick J. Jeffers, Robert O. James, Frederick R. Chamberlain, IV, Neil Smith, Ronald M. Wexler | 2002-04-16 |
| 6221296 | Method of making a magnetically encodable card having magnetic particles uniformly distributed throughout | Robert O. James, Mary-Irene E. Condo, Lawrence A. Rowley | 2001-04-24 |
| 5879775 | Protective inorganic and DLC coatings for plastic media such as plastic cards | Lee Walter | 1999-03-09 |
| 5792725 | Thermal dye transfer magnetic ID card | William H. Simpson, Mary-Irene E. Condo | 1998-08-11 |
| 5714747 | Magnetic card and reader system | Greg A. Burg, Steven J. Adamson, Frederick R. Chamberlain, IV, Tomasz Mark Jagielinski, Frederick J. Jeffers +2 more | 1998-02-03 |
| 5485335 | Magnetic record/reproduce head having improved service life, and new material therefor | — | 1996-01-16 |
| 4544974 | Alumina glass composition and magnetic head incorporating same | Jean-Christophe Berchtold | 1985-10-01 |