|
| US4572528 | 10 May 1983 | 25 Feb 1986 | | Grass ski |
| US4886298 | 30 Nov 1987 | 12 Dec 1989 | | Roller ski |
| US5207454 | 20 Mar 1992 | 4 May 1993 | | In-line roller skate with ball rollers |
| US5312258 | 13 Nov 1992 | 17 May 1994 | Sam J. Mulay | Dry land snowboard training device |
| US5409265 | 12 Jan 1994 | 25 Apr 1995 | | Skateboard with ball rollers |
| US5580074 | 4 May 1995 | 3 Dec 1996 | | Wheel system for soft surfaces |
| US5836591 | 11 Oct 1996 | 17 Nov 1998 | Mearthane Products Corporation | In-line wheeled skate for extreme skating |
| US5868408 | 17 Dec 1996 | 9 Feb 1999 | M & R Innovations LLC | Turf board |
| US5967552 | 4 Sep 1998 | 19 Oct 1999 | Mearthane Products Corporation | In-line wheeled skate |
| US6123348 | 4 Mar 1998 | 26 Sep 2000 | M & R Innovations, LLC | Brake system for downhill wheeled board |
| US6213480 | 30 Jun 1999 | 10 Apr 2001 | | Roller wheel slider |
| US6237960 | 27 Feb 1995 | 29 May 2001 | | Roller-type skiing device for negotiating a slope |
| US6293565 | 23 Jun 1999 | 25 Sep 2001 | Netminders, Inc. | Roller hockey goalie skate |
| US6764082 | 20 Feb 2002 | 20 Jul 2004 | Mearthane Products Corporation | Shoes for walking and rolling |
| US7063335 | 3 Dec 2003 | 20 Jun 2006 | | In-line roller skate |
| US8096566 | 21 Nov 2007 | 17 Jan 2012 | | Load transporting tarpaulin |
| US8146929 | 28 Jan 2009 | 3 Apr 2012 | | Skateboard with bearings |
