Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D583041 | Portable dryer | David Stern, Kenneth Stern, Fred Bishop, John Hofsess | 2008-12-16 |
| D486613 | Dog house dryer | David Stern, Kenneth Stern, Peter Stankus | 2004-02-10 |
| D486277 | Dog house dryer | David Stern, Kenneth Stern, Peter Stankus | 2004-02-03 |