Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11337480 | Bicycle helmet fit system | David E. Stroud, Michael Grim, Mike Krynock | 2022-05-24 | |
| 10420385 | Bicycle helmet fit system | David E. Stroud, Michael Grim, Mike Krynock | 2019-09-24 | |
| 5675843 | Helmet visor attachment apparatus | Michael Grim, John Evans Muhlner | 1997-10-14 | $1,742,000 |
| 5285933 | Pressure holding liquid bottle for mounting on a bicycle | James J. Gentes | 1994-02-15 |