Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6275596 | Open ear canal hearing aid system | Robert J. Fretz, Paul H. Stypulkowski | 2001-08-14 |
| 5332987 | Large gap magnetic suspension system with superconducting coils | Michael J. Hennessy, Hung B. Zou, Robert Wilcox, F. Scott Murray | 1994-07-26 |