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Ronald Alan Grimes
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Encinitas, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Reinforced racquet with flat string bed
Patent number
6,062,994
Issue date
May 16, 2000
EF Composite Technologies, L.P.
Ronald Alan Grimes
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Long string racquets, particularly for racquetball
Patent number
5,919,104
Issue date
Jul 6, 1999
EF Composite Technologies, L.P.
Raymond Lee Mortvedt
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
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Patent Application
RACQUET HAVING ELONGATED GROMMET BARRELS WITH IMPROVED DAMPING CHAR...
Publication number
20140335979
Publication date
Nov 13, 2014
EF COMPOSITE TECHNOLOGIES, L.P.
Ronald A. GRIMES
A63 - SPORTS GAMES AMUSEMENTS