Referenced by|
| US3936061 | 5 Apr 1974 | 3 Feb 1976 | Mahmut Starkow | Roller skate | | US4034995 | 12 Nov 1975 | 12 Jul 1977 | | Tandem wheeled roller skate having spheroidal rollers | | US5098269 | 30 Apr 1991 | 24 Mar 1992 | Mitsubishi Jukogyo Kabushiki Kaisha | Center mechanism for a tire vulcanizing machine | | US5660447 | 7 Aug 1995 | 26 Aug 1997 | Alfaplastic SRL | Wheel for in-line roller skates | | US5733015 | 4 Dec 1995 | 31 Mar 1998 | Kryptonics, Inc. | Wheel with a semi-permanently enclosed annular material | | US6027127 | 12 Feb 1997 | 22 Feb 2000 | Rollerblade, Inc. | Off-road in-line skate | | US6182980 | 22 Jun 1998 | 6 Feb 2001 | | In-line ice skates |
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