How To Pressurize / Revive Old Tennis Balls...
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09-24-2011, 04:55 AM
Join Date: Jul 2010
The patent for a commercial ball repressurizer uses 50lbs psi for 4-5 days to rejuvenate old balls.
In a similiar thread to this I posted the link to the patent.
If I can find it I will repost it here.
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