| Number | Name | Date | Kind |
|---|---|---|---|
| D315956 | Dragan | Apr 1991 | S |
| 5172807 | Dragan et al. | Dec 1992 | A |
| D334803 | Discko, Jr. | Apr 1993 | S |
| D357065 | Castellini | Apr 1995 | S |
| D378699 | Niedospial et al. | Apr 1997 | S |
| 5871355 | Dragan et al. | Feb 1999 | A |
| 6135771 | Dragan et al. | Oct 2000 | A |
| 6261094 | Dragan | Jul 2001 | B1 |
| D452311 | Guala | Dec 2001 | S |
| 6375460 | Plaumann | Apr 2002 | B1 |
| 6386872 | Mukasa et al. | May 2002 | B1 |
| 6585511 | Dragan et al. | Jul 2003 | B2 |
| 7128246 | Raia et al. | Oct 2006 | B2 |