Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8820229 | Production spring striper | Michael A. Grattan, Jeffrey Brown, Michael Krieg | 2014-09-02 |
| 8342087 | Production spring striper | Michael A. Grattan, Jeffrey Brown, Michael Krieg | 2013-01-01 |
| 7966930 | Production spring striper | Michael A. Grattan, Jeffrey Brown, Michael Krieg | 2011-06-28 |