Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881483 | Ceramic aggregate particles | James L. McArdle, Scott R. Culler | 2005-04-19 |
| 6790126 | Agglomerate abrasive grain and a method of making the same | James L. McArdle | 2004-09-14 |
| 6667614 | Transfer curve tester for testing magnetic recording heads | Terrence A. McMahon, Ray V. Rigles, David M. Gray | 2003-12-23 |
| 6611167 | Balanced bi-directional current source | Terrence A. McMahon, Ray V. Rigles, David M. Gray | 2003-08-26 |
| 6206942 | Method for making abrasive grain using impregnation, and abrasive articles | — | 2001-03-27 |
| 6053956 | Method for making abrasive grain using impregnation and abrasive articles | — | 2000-04-25 |
| 5991698 | Electrical lap guide data acquisition unit and measurement scheme | Shanlin Hao, Ray V. Rigles, Lars H. Ahlen, John C. Heitke | 1999-11-23 |
| 5908478 | Method for making abrasive grain using impregnation, and abrasive articles | — | 1999-06-01 |
| 5905610 | Combined read/write magnetic head having MRE positioned between broken flux guide and non-magnetic substrate | Terry Mitchell, Paul F. Michalek | 1999-05-18 |
| 5893935 | Method for making abrasive grain using impregnation, and abrasive articles | — | 1999-04-13 |
| 5871555 | Abrasive grain comprising manganese oxide | — | 1999-02-16 |
| 5779743 | Method for making abrasive grain and abrasive articles | — | 1998-07-14 |
| 5776214 | Method for making abrasive grain and abrasive articles | — | 1998-07-07 |
| 5752996 | Method of making ceramic abrasive grits | — | 1998-05-19 |
| 5690707 | Abrasive grain comprising manganese oxide | Henry A. Larmie | 1997-11-25 |
| 5660604 | Method of making ceramic abrasive grits | — | 1997-08-26 |
| 5646804 | Thin film magnetic head having polymer on broken flux guide sections, method of producing and integrated structure incorporating same | Todd G. Backer, Arthur Calderon, Wei C. Hsie, Terry Mitchell | 1997-07-08 |
| 5567150 | Method for making sintered abrasive grain | Stanley L. Conwell | 1996-10-22 |
| 5554265 | Method of making a magnetoresistive sensor | Peter I. Bonyhard, James F. Dolejsi, Charles H. Tolman | 1996-09-10 |
| 5551964 | Abrasive grits formed of ceramic, impregnation method of making the same and products made therewith | — | 1996-09-03 |
| 5547479 | Alpha abrasive alumina-based grain having an as sintered outer surface | Stanley L. Conwell | 1996-08-20 |
| 5516348 | Alpha alumina-based abrasive grain | Stanley L. Conwell | 1996-05-14 |
| 5514953 | Wafer level test structure for detecting multiple domains and magnetic instability in a permanent magnet stabilized MR head | Allan E. Schultz, Peter K. George, Duane C. Phinney, Patrick J. Ryan | 1996-05-07 |
| 5495378 | Magnetoresistive sensor with improved performance and processability | Peter I. Bonyhard, James F. Dolejsi, Charles H. Tolman | 1996-02-27 |
| 5489204 | Apparatus for sintering abrasive grain | Stanley L. Conwell | 1996-02-06 |