Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5532681 | Protection device for power frequency magnetic fields | Byron J. Masterson, Robert M. Abrams | 1996-07-02 |
| 5420581 | Maternal sound level device and method for protecting fetal hearing | Byron J. Masterson, Robert M. Abrams | 1995-05-30 |