Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1091951 | Protective helmet | — | 2025-09-02 |
| D1063223 | Protective helmet | — | 2025-02-18 |
| 11864615 | Helmet with shock absorbing inserts | James A. Chilson, John George Lloyd, Piers Christian Storey | 2024-01-09 |
| 11844390 | Helmet with shock absorbing inserts | James A. Chilson, John George Lloyd, Piers Christian Storey | 2023-12-19 |
| D1004850 | Protective helmet | James A. Chilson | 2023-11-14 |
| D995924 | Protective helmet | James A. Chilson | 2023-08-15 |
| D995925 | Protective helmet | James A. Chilson | 2023-08-15 |
| 10736373 | Helmet with shock absorbing inserts | James A. Chilson, John George Lloyd, Piers Christian Storey | 2020-08-11 |
| D795500 | Helmet | James A. Chilson, Michael Aaskov | 2017-08-22 |
| D771874 | Helmet | James A. Chilson, Michael Aaskov | 2016-11-15 |
| D752814 | Helmet | James A. Chilson | 2016-03-29 |
| D752294 | Helmet | James A. Chilson, Michael Aaskov | 2016-03-22 |
| 7942879 | Minimally invasive bone miller apparatus | Michael J. Christie, David K. DeBoer, Michael C. Jones, Steven Wayne Smith, Brad Parker +2 more | 2011-05-17 |
| 7785328 | Minimally invasive bone miller apparatus | Michael J. Christie, David K. DeBoer, Michael C. Jones, Steven Wayne Smith, Brad Parker +2 more | 2010-08-31 |
| 7743471 | Removable hat accessory | — | 2010-06-29 |
| 7389567 | Removable hat accessory | Sinclair Bishop, Jason Wood | 2008-06-24 |
| 7350274 | Removable hat accessory | — | 2008-04-01 |
| 6663670 | Adjustable long bone prosthesis | Joel Rhoades, Troy D. Martin | 2003-12-16 |