Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D607453 | Mouse | Felix Heck, Alf Hackenberg | 2010-01-05 |
| D602527 | Pen | Felix Heck, Alf Hackenberg | 2009-10-20 |
| D602022 | Tablet | Felix Heck, Alf Hackenberg | 2009-10-13 |
| D589961 | Tablet | Alf Hackenberg, Felix Heck | 2009-04-07 |
| D584772 | Pen | Alf Hackenberg, Felix Heck | 2009-01-13 |
| D570416 | Pen stand | Alf Hackenberg, Felix Heck | 2008-06-03 |
| D512413 | Speaker | Wells Brimhall, Raymond Weikel, Greggory P. Smith, Omer Kotzer, Alf Hackenberg +1 more | 2005-12-06 |
| D510338 | Speaker controller | Wells Brimhall, Raymond Weikel, Alexander S. Danielson, Omer Kotzer, Alf Hackenberg +1 more | 2005-10-04 |
| D510340 | Speaker | Wells Brimhall, Raymond Weikel, Donald Mayette, Omer Kotzer, Alf Hackenberg +1 more | 2005-10-04 |
| D509499 | Speaker grille | Wells Brimhall, Raymond Weikel, Donald Mayette, Omer Kotzer, Alf Hackenberg +1 more | 2005-09-13 |