Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6888341 | Dual voltage circuit tester | Robert D. Johnson, Mark R. Schaefer | 2005-05-03 |
| 6700868 | Switching redundancy control | Alexander A. Smith, Masahiro Shinbashi, Edward Y. Qian, David X. Chen | 2004-03-02 |
| 6359858 | Switching redundancy control | Alexander A. Smith, Masahiro Shinbashi, Edward Y. Qian, David X. Chen | 2002-03-19 |
| 5898108 | Evaporative emission tester | Mark J. Hasenberg, Thomas P. Becker, Matthew M. Crass, Robert D. Braun, Edward T. Gisske +1 more | 1999-04-27 |
| 5763764 | Evaporative emission tester | Mark J. Hasenberg, Thomas P. Becker, Matthew M. Crass, Robert D. Braun, Edward T. Gisske +1 more | 1998-06-09 |
| 5250896 | Hand-held magnetic contact tachometer with toothed rotatable wheel | Robert J. Holmen, Robert D. Johnson, John Stanley | 1993-10-05 |
| D313563 | Combined automotive electrical testing module and holder/display therefor | David R. Ellingen, Larry D. Pacetti, Steven E. Michalski | 1991-01-08 |
| 4942356 | Modular electronic device | David R. Ellingen, Steven E. Michalski, Larry D. Pacetti | 1990-07-17 |
| 4816752 | Method and apparatus for low power offset correction of amplified sensor signals | Steven E. Michalski, Kevin M. Andrews | 1989-03-28 |