Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945887 | Game ball with clock | Michael Oister, Christopher Wisener, William C. Boettcher | 2005-09-20 |
| D505472 | Golf practice target | Eric Hansen | 2005-05-24 |
| 6854728 | Tabletop game with lighted features | Michael Oister, William C. Boettcher | 2005-02-15 |