| 1868286 | Golf club | July, 1932 | Grieve | 273/174 |
| 1916792 | Golf club head | July, 1933 | Hadden | 273/167A |
| 2087685 | Golf club | July, 1937 | Hackney | |
| 3761095 | GOLF CLUB HEAD WITH SOLE PLATE-KEEL ATTACHMENT | September, 1973 | Thompson | |
| 4214754 | Metal golf driver and method of making same | July, 1980 | Zebelean | |
| 4432549 | Metal golf driver | February, 1984 | Zebelean | |
| 4511145 | Reinforced hollow metal golf club head | April, 1985 | Schmidt | |
| 4872685 | Golf club head with impact insert member | October, 1989 | Sun | |
| 4930781 | Constant resonant frequency golf club head | June, 1990 | Allen | |
| 5042806 | Golf club with neckless metal head | August, 1991 | Helmstetter | |
| 5067715 | Hollow, metallic golf club head with dendritic structure | November, 1991 | Schmidt et al. |
| GB1476889 | June, 1977 | |||
| GB2100993 | January, 1983 | |||
| GB2230459 | October, 1990 |
FIG. 1 is a perspective view showing the top, front and toe regions of the golf club head showing our new design;
FIG. 2 is a perspective view showing the bottom, rear and heel regions of the FIG. 1 head;
FIG. 3 is a front face view of the FIG. 1 head;
FIG. 4 is a top plan view of the FIG. 1 head;
FIG. 5 is a toe end view of the FIG. 1 head;
FIG. 6 is a heel end view of the FIG. 1 head;
FIG. 7 is a bottom plan view of the FIG. 1 head;
FIG. 8 is a section in elevation on lines 8--8 of FIG. 7;
FIG. 9 is a section in elevation on lines 9--9 of FIG. 7;
FIG. 10 is a section in elevation on lines 10--10 of FIG. 8; and,
FIG. 11 is a section in elevation on lines 11--11 of FIG. 8.