Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9295585 | Ear muffler | Jozef J. Zwislocki | 2016-03-29 |
| 8161974 | Hearing protection apparatus with incorporated eyewear | Jozef J. Zwislocki, Robert J. DiNardo | 2012-04-24 |
| D596286 | Hearing protector | Robert J. DiNardo | 2009-07-14 |
| 5492531 | Infuser apparatus for the gastric cavity | Matthew L. Alesse, Edwin T. Bean, Jr. | 1996-02-20 |