|
| US4538814 | 4. Sept. 1984 | 3. Sept. 1985 | | Trifunctional golfing cage |
| US4796886 | 7. Juli 1986 | 10. Jan. 1989 | | Home tennis practice apparatus |
| US5139262 | 24. Dez. 1990 | 18. Aug. 1992 | | Golf putting practice target |
| US5180167 | 21. Jan. 1992 | 19. Jan. 1993 | | Golf swing practice net |
| US5823885 | 25. Nov. 1996 | 20. Okt. 1998 | | Portable personal driving range and all purpose sporting net |
| US6325726 | 23. Apr. 1999 | 4. Dez. 2001 | | Winter golf driving range |
| US6592464 | 2. Nov. 2001 | 15. Juli 2003 | | Winter golf driving range |
| US6749520 | 5. Jan. 2001 | 15. Juni 2004 | Rudolph John Neskudla | Device for practicing golf |
| US6881154 | 6. Febr. 2003 | 19. Apr. 2005 | Rudolph John Neskudla | Device for practicing golf |
| US7625296 | 22. Apr. 2008 | 1. Dez. 2009 | | Directional practice device |
