Iron type golf club head

Details Iron type golf club head Iron type golf club head

1990-05-29

1991-09-17

Grieb, William H.

Amusement devices: games

Puzzles

Take-aparts and put-togethers

273167H, 273169, A63B 5304

Patent

active

050488341

ABSTRACT:
An iron type golf club head including heel, toe, bottom sole, top ridge and hosel portions, a face surface having a center of percussion, a rear surface, a peripheral mass formed on the rear surface and forming a cavity, and a weight portion extending from the rear surface and disposed behind the center of percussion.

REFERENCES:
patent: D229434 (1973-11-01), Lrower
patent: D267965 (1983-02-01), Kobayashi
patent: 2087685 (1937-07-01), Hackney
patent: 2846228 (1958-08-01), Reach
patent: 3814437 (1974-06-01), Winquist
patent: 4128244 (1978-12-01), Duclos
patent: 4136877 (1979-01-01), Antonious
patent: 4325553 (1985-04-01), Taylor
patent: 4326326 (1982-04-01), MacDonald
patent: 4355808 (1982-10-01), Jernigan
patent: 4508350 (1985-04-01), Duclos
patent: 4511145 (1985-04-01), Schmidt
patent: 4569523 (1986-02-01), Jarvis
patent: 4621813 (1986-11-01), Solheim
patent: 4826172 (1989-05-01), Antonious
patent: 4907806 (1990-03-01), Antonious
patent: 4921252 (1990-05-01), Antonious

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