Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841692 | Shielded access apparatus for use in an enclosure for preventing propagation of electromagnetic energy into or out of the enclosure | Donald N. Coupard, Andrew K. Chang, John E. Fuller | 1989-06-27 |
| 4823523 | Electromagnetic radiation shielding enclosure and shielding components | Donald N. Coupard, Andrew K. Chang, John E. Fuller | 1989-04-25 |