Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699146 | Parallelogrammic adjustment assembly for basketball goal systems | David C. Winter, Edward G. Van Nimwegen | 2004-03-02 |
| 6419598 | Parallelogrammic adjustment assembly for basketball goal systems | David C. Winter, Edward G. Van Nimwegen | 2002-07-16 |
| 5879247 | Power lift basketball adjustment system | David C. Winter, Richard Curtis Nordgran | 1999-03-09 |
| 5695417 | Power lift basketball adjustment system | David C. Winter, Richard Curtis Nordgran | 1997-12-09 |