James R. Gairdner

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Toronto, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Control device and method for wheeled skates and the like
- Patent number 5,938,240
- Issue date Aug 17, 1999
- James R. Gairdner
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method and apparatus for braking skates and the like
- Patent number 5,687,991
- Issue date Nov 18, 1997
- James R. Gairdner
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Deck cleaning tool
- Patent number 5,666,683
- Issue date Sep 16, 1997
- James R. Gairdner
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES