Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8128445 | Cold weather survival apparatus | Gary Amstutz | 2012-03-06 |
| D637394 | Utility belt | Gary Amstutz | 2011-05-10 |
| 7118604 | Non azo disperse dye mixtures | David Brierley, Alan T. Leaver, Nigel Hall | 2006-10-10 |
| 6216191 | Field programmable gate array having a dedicated processor interface | Barry Britton, Wai-Bor Leung, Richard G. Stuby, Jr., James A. Thompson | 2001-04-10 |
| 5917575 | Split rim eyeglass frame mounting | — | 1999-06-29 |
| 5827098 | Cold weather life saving device | — | 1998-10-27 |