Amusement devices: games – Puzzles – Take-aparts and put-togethers
Patent
1992-02-06
1994-09-13
Harrison, Jessica J.
Amusement devices: games
Puzzles
Take-aparts and put-togethers
273167H, 273167J, 273 78, 273172, A63B 5304
Patent
active
053462173
ABSTRACT:
In construction of a wood club head having a main body of a hollow metallic shell construction, the face thickness is limited to 2 to 4 mm and the entire head volume is limited to 190 cc or larger for enlargement of its sweet spot. The enlarged sweet spot assures a long flying distance of a ball in an intended direction through its improved mating with the ball at the very moment of striking.
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"Choice Magazine", Metal Head Article, Nov. 1992, p. 79, 90.
"Golf Digest", Matsuo Article, May 1992, pp. 60-65.
The Condensed Chemical Dictionary (New York:Van Nostrand Reinhold Ltd.) 1981, p. 701.
Hoshi Toshiharu
Iijima Kenzaburo
Tsuchida Atsushi
Tsuchiya Kazuhiro
Harrison Jessica J.
Pierce William M.
Yamaha Corporation
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