Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136850 | Thermoelectric paint color changing apparatus | James L. Bierschenk, Dwight A. Johnson | 1992-08-11 |
| 5042257 | Double extruded heat sink | Julia S. Kendrick | 1991-08-27 |
| 5029335 | Heat dissipating device for laser diodes | James H. Fisher, John H. Clark, James L. Bierschenk | 1991-07-02 |
| 4922721 | Transporter unit with communication media environmental storage modules | William M. Robertson, Charles A. Sharp, III | 1990-05-08 |
| 4922822 | Thermoelectric cooler | James L. Bierschenk | 1990-05-08 |
| 4909089 | Walk-in inspection apparatus for producing air samples | Eugene K. Achter, Gabor Miskolczy, Ain A. Sonin | 1990-03-20 |
| 4896547 | Air-sampling apparatus with easy walk-in access | Michel D. Arney, Gianfranco Zaccai, Eugene K. Achter, Gabor Miskolczy, Ain A. Sonin | 1990-01-30 |
| 4883538 | Colored thermal joint compound | Raymond Marlow, William M. Robertson | 1989-11-28 |
| 4838911 | Video tape storage cabinet | William M. Robertson, Randy L. Clark | 1989-06-13 |
| 4726193 | Temperature controlled picnic box | Gregory J. Nancarrow | 1988-02-23 |
| 4644753 | Refrigerator | — | 1987-02-24 |
| 4600750 | Process for preparing polymeric acetal carboxylates | David R. Dyroff, William Vanderlinde, Thomas W. Backes | 1986-07-15 |