Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10921615 | Grey compounded infrared absorbing spectacles, goggles, faceshields and hood windows used in personal protective equipment for arc flash hazards | Jack B. Hirschmann, Jr., Thomas E. Neal | 2021-02-16 |
| 9498382 | Grey compounded infrared absorbing faceshield | Jack B. Hirschmann, Jr. | 2016-11-22 |