Marshal McMahon

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Monaco Ville, MC

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for maintaining differential tensions in the s...
- Patent number 6,179,735
- Issue date Jan 30, 2001
- Marshal McMahon
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method of tensioning the strings in a racquet
- Patent number 6,027,419
- Issue date Feb 22, 2000
- Cogito Holdings Limited
- Marshal McMahon
- A63 - SPORTS GAMES AMUSEMENTS