Referenced by|
| US4750744 | 2 Jun 1986 | 14 Jun 1988 | | Golf practice apparatus | | US5580318 | 29 Jan 1996 | 3 Dec 1996 | | Golf ball delivery system | | US6997816 | 22 Feb 2002 | 14 Feb 2006 | All Year Ventures LTD | Mechanical handling device for golf balls at a driving range | | US7160196 | 14 Jun 2002 | 9 Jan 2007 | World Golf Systems Limited | Identification device | | USD392010 | 6 Dec 1995 | 10 Mar 1998 | Club Pro Products, Inc. | One-piece putting game device | | USD399285 | 26 Sep 1995 | 6 Oct 1998 | Club Pro Products, Inc. | Putting game device |
|
