Sports swing training aid

Games using tangible projectile – Golf – Practice swingable implement or indicator associated with...

Reexamination Certificate

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Details

C473S226000, C473S437000

Reexamination Certificate

active

07458900

ABSTRACT:
An air resistance appliance that is easily attached to the shaft of a golf club or a baseball bat and that is quickly and easily collapsed into a small, lightweight package for storage or transport with the user as in his or her golf bag.

REFERENCES:
patent: 3809397 (1974-05-01), Gruenewald
patent: 5207625 (1993-05-01), White
patent: 6881156 (2005-04-01), Phillips
patent: 7112152 (2006-09-01), Chen
patent: 7118490 (2006-10-01), Namba
patent: 2003/0207719 (2003-11-01), Hughes

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